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<title><![CDATA[EC21 Product Catalogs - 4 hours]]></title>
<link><![CDATA[https://www.ec21.com/ec-market/4_hours--0821/1/4 hours.html]]></link><item>
<title><![CDATA[Digital Two-way Transmitter (SH-320)]]></title><link><![CDATA[https://eseyoung.en.ec21.com/Digital_Two_way_Transmitter_SH--5597133_5597140.html]]></link><description><![CDATA[4 pole)
Specifications
Frequency
925 ~ 937.5GHz
Service Coverage
300m (There may be differences depending on the usage environment.)
Maximum output
10mW (Max 100mW)
Operation time
8hours over
Chargin]]></description><pubDate><![CDATA[20220331]]></pubDate></item>
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<title><![CDATA[High Quality Bluetooth Headset]]></title><link><![CDATA[https://skyknife.en.ec21.com/High_Quality_Bluetooth_Headset--685040_12052679.html]]></link><description><![CDATA[1. Bluetooth 5.3; Chip: JELI JL7006F4
2. Battery capacity: 800mAh; Charging time: about 2 hours
3. Usage time: 90 hours; Standby time: 200 hours
4. Size: 204 * 174 * 82mm; Weight: 262g
5. Supports Bl]]></description><pubDate><![CDATA[20250327]]></pubDate></item>
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<title><![CDATA[BJBJ P1 Pro True Wireless Noise-cancelling Earphones]]></title><link><![CDATA[https://jinwandalaohu.en.ec21.com/BJBJ_P1_Pro_True_Wireless--11660886_12020711.html]]></link><description><![CDATA[Bluetooth version:V5.4
Stand-by time:140 days
Talk time:3.5 hoursMusic 
playtime:6-7 hours * 3 Times
Charging time:1.5 -2 hours
Charging voltage:DC 5V
Frequency range:20-20000Hz
Transmission distance]]></description><pubDate><![CDATA[20241025]]></pubDate></item>
<item>
<title><![CDATA[Semi in Ear TWS, Earbuds with Video Browser,Transparent Case Earphones]]></title><link><![CDATA[https://szjianc.en.ec21.com/Semi_in_Ear_TWS_Earbuds--11685608_11905544.html]]></link><description><![CDATA[hours
• Charging time for case: 2 hours
• Playing time: Up to 4hrs (Varies by volume level and
content), Up to 20 hrs on the go (~5 times recharge) • Transmission range: up to 33ft • Color an]]></description><pubDate><![CDATA[20240718]]></pubDate></item>
<item>
<title><![CDATA[Hot Sales P47 Headphones BT 5.0 Wireless Multicolour Headset with Good Prices]]></title><link><![CDATA[https://susan1996.en.ec21.com/Hot_Sales_P47_Headphones_BT--11092278_11092279.html]]></link><description><![CDATA[47 wireless earphoneMaterial: ABS+PVCWaterproof Standard: IPX-6Wireless Version: V5.0Charging time: 1-2 HoursPlay Time: 4-5 HoursStandby time: 120 HoursFunction: Waterproof, Noise Cancelling, Microph]]></description><pubDate><![CDATA[20240704]]></pubDate></item>
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<title><![CDATA[B21 TWS Bluetooth Earbuds]]></title><link><![CDATA[https://dgtopwell.en.ec21.com/B21_TWS_Bluetooth_Earbuds--11952790_11952862.html]]></link><description><![CDATA[www.dgtopwell.com
sales(at)dgtopwell.com
Specification:
-Bluetooth: v5.3 
-Driver Size: 13.5 mm
-Earbuds battery capacity: 30 mAh
-Charging case battery capacity: 200 mAh
-Working time: 3-4 hours
-Ch]]></description><pubDate><![CDATA[20240617]]></pubDate></item>
<item>
<title><![CDATA[Ice Cream Child Ear Protection]]></title><link><![CDATA[https://zhsafetech.en.ec21.com/Ice_Cream_Child_Ear_Protection--11951558_11951565.html]]></link><description><![CDATA[Ice cream child ear protection
Sample avaliable
Customize avaliable
Quick respond in an 2 hours (work time)
This earmuffs is designed to protect the extra sensitive hearing of children aged 3 to 12 a]]></description><pubDate><![CDATA[20240614]]></pubDate></item>
<item>
<title><![CDATA[Magnetic Wireless Earphone in-ear Stereo Music Headset Earbuds Bluetooth Headphones]]></title><link><![CDATA[https://jason20231.en.ec21.com/Magnetic_Wireless_Earphone_in_ear--11945242_11945093.html]]></link><description><![CDATA[4.1(2) Frequency response: 20-20000Hz(3) Bluetooth usage frequency: 24Ghz(4) Pressure transmission distance: About 15 meters (disabled)(5) Color: Red,Black(6) Standby time: About 240 hours(7) Call/pl]]></description><pubDate><![CDATA[20240530]]></pubDate></item>
<item>
<title><![CDATA[T10 Tws Earbuds with Large Capacity Can Support To Customize Logo On Digital Display]]></title><link><![CDATA[https://soundjoy.en.ec21.com/T10_Tws_Earbuds_with_Large--11023068_11023087.html]]></link><description><![CDATA[T10 tws earbuds with large capacity can Support to customize logo on digital display
Waterproof TWS Wireless Earphone
3500mAh Charging Box
Power bank For Phone
60mAh Earbuds Battery
4-6Hour Play Time]]></description><pubDate><![CDATA[20240506]]></pubDate></item>
<item>
<title><![CDATA[Wholesale Factory Private Model  K1 Wireless TWS Earphones Earbuds Blue Tooth Headset Earbuds]]></title><link><![CDATA[https://xrdtws.en.ec21.com/Wholesale_Factory_Private_Model_K1--11725361_11737840.html]]></link><description><![CDATA[4 hours
Earphones Color
Black/White
Earphones Function
Waterproof, Noise Cancelling, Music, Call, Volume+-, Switch Songs, Siri,digital display.
Earphones Package
Customizable packaging box
Earphones ]]></description><pubDate><![CDATA[20230301]]></pubDate></item>
<item>
<title><![CDATA[MK-017 OEM&amp;ODM Factory BT V5.3 Earphone TWS Eatbuds]]></title><link><![CDATA[https://lorainyu.en.ec21.com/MK_017_OEM_ODM_Factory--11888755_11888823.html]]></link><description><![CDATA[Chip :JL6973D4
Bluetooth version: V5.3
Working range :≥10 meters
Charging time: about 1.5 hours
Music time: about 7 hours
Talk time: about 7 hours
Standby time: 4 months
Headset lithium battery : 4]]></description><pubDate><![CDATA[20240223]]></pubDate></item>
<item>
<title><![CDATA[Sport Headphone]]></title><link><![CDATA[https://cmctech.en.ec21.com/Sport_Headphone--11771294_11771335.html]]></link><description><![CDATA[4~5 hours
Playing time: 4~5 hours(80% volume)
Standby time: 120 hours 
Battery capacity: 120mAh
Waterproof grade: IPX4 
Charging time: 1.5 hour
Charging Voltage: DC 5V
Product Size: 118*103*55mm
]]></description><pubDate><![CDATA[20230419]]></pubDate></item>
<item>
<title><![CDATA[Wireless Earphones with Microphone]]></title><link><![CDATA[https://l2358084707.en.ec21.com/Wireless_Earphones_with_Microphone--11573403_11576431.html]]></link><description><![CDATA[4.1: CSR
2. Phone time: 6 hours
3. Music time: 3 to 4 hours
5. Standby time: 10 days
6. Charging time: 1 ~ 2 hours
7. Microphone: Yes
8 size: 72cm
Package Included:
1 x earphone
1 x Charger Cable
]]></description><pubDate><![CDATA[20220528]]></pubDate></item>
<item>
<title><![CDATA[Sports Running Waterproof Super Bass Stereo Headset Bone Conduction Wireless Headphone Earphone]]></title><link><![CDATA[https://crystal23.en.ec21.com/Sports_Running_Waterproof_Super_Bass--10956834_10960555.html]]></link><description><![CDATA[Headphones 
1*charging box Cable 
1*User Manual
Talking Time
5-7 Hours
Standby time
240 Hours
Charging Time
1.5 Hour
Lead time
5-10 days
Colors
White/Red/Gray/Pink
Listening Music time
5-7 Hours
]]></description><pubDate><![CDATA[20190525]]></pubDate></item>
<item>
<title><![CDATA[I8 TWS Earphone Wireless Headsets]]></title><link><![CDATA[https://nbstrongbolt.en.ec21.com/I8_TWS_Earphone_Wireless_Headsets--10941609_10941625.html]]></link><description><![CDATA[4.2
Transmission distance: the outdoor linear distance is 10-18 meters
Battery capacity: polymer lithium battery 50mah
Battery capacity of charging box: 150mah
Time to listen to music: 2.5 hours up a]]></description><pubDate><![CDATA[20190417]]></pubDate></item>
<item>
<title><![CDATA[Type C Fast Charging Bluetooth Jieli 5.0 True Wireless TWS Earbuds]]></title><link><![CDATA[https://splustech.en.ec21.com/Type_C_Fast_Charging_Bluetooth--11077720_11077749.html]]></link><description><![CDATA[Bluetooth Version:JL 5.0 
Battery:45mAh*2 
Charging case capacity:500mAh 
Distance:10m 
Playing Time:4 hours 
Talking Time:about 4 hours 
Playing Time:about 3.5 hours 
Sensitive:120±5dB 
Charging Ti]]></description><pubDate><![CDATA[20200402]]></pubDate></item>
<item>
<title><![CDATA[Bluetooth (V5.2)]]></title><link><![CDATA[https://yct2288.en.ec21.com/Bluetooth_V5.2--11114469_11885529.html]]></link><description><![CDATA[Compliant with Bluetooth® V5.2 +EDR
Over 4~5 hours Play Time 
Touch button
IPX4 waterproof 
Standby
Time: over 80 hours
NCC approve
]]></description><pubDate><![CDATA[20240109]]></pubDate></item>
<item>
<title><![CDATA[Bluetooth Earphones for True Wireless Sports Noise Reduction, Ultra Long Battery Life, Android, Appl]]></title><link><![CDATA[https://jamesliu090.en.ec21.com/Bluetooth_Earphones_for_True_Wireless--11912014_11912019.html]]></link><description><![CDATA[6 reasons to choose it: 1. 48 hours of battery life and long-lasting companionship. 2. Fully compatible with Apple and Android. 3. Intelligent app, with many wonderful uses. 4. High definition calls,]]></description><pubDate><![CDATA[20240314]]></pubDate></item>
<item>
<title><![CDATA[Bluetooth Earphone]]></title><link><![CDATA[https://panscale.en.ec21.com/Bluetooth_Earphone--3148986_9219964.html]]></link><description><![CDATA[1. Wireless bluetooth EDR Support A2DR,AVRCP 
2. One drive one 
3. Compatible with Smart phone,Ipad,Iphone 
4. Color: B/W/P/O 
5. Call duration/play time : 8--10 hours. 
]]></description><pubDate><![CDATA[20141009]]></pubDate></item>
<item>
<title><![CDATA[Open Ear Headphones New Earbuds Bluetooth Headphones Wireless Earbuds]]></title><link><![CDATA[https://wouo.en.ec21.com/Open_Ear_Headphones_New_Earbuds--11865951_11866742.html]]></link><description><![CDATA[than 100 hours to connect to Bluetooth, and 300 days to disconnect from Bluetooth；
Appearance material：ABS matte finished;
Hanging rope material：Ti-Nikle cable ；
Waterproof grade：IPX4
]]></description><pubDate><![CDATA[20231115]]></pubDate></item>
<item>
<title><![CDATA[UMORESEE QUAD MIC ANC+ENC Noise Cancelling TWS Earbuds Bluetooth Earphones]]></title><link><![CDATA[https://umoresee.en.ec21.com/UMORESEE_QUAD_MIC_ANC_ENC--11832657_11832658.html]]></link><description><![CDATA[UMC101 TWS Earbuds Feature: 
1. Quad Mic for earphpoes 
2.ANC+ENC noise cancelling
3. 13mm driver HIFI sound quality
4. Music play time 40 hours with charging case 
5. Water proof IPX4 
Specification]]></description><pubDate><![CDATA[20230810]]></pubDate></item>
<item>
<title><![CDATA[Hot Sell Sport Style Bluetooth Stereo Headset]]></title><link><![CDATA[https://karen07.en.ec21.com/Hot_Sell_Sport_Style_Bluetooth--9024023_9024047.html]]></link><description><![CDATA[Specifications: 
Chipset: Vimcro 9623S
Battery: 80mAh
Weight: 20g
Talk time: ≦4hours
Working range:10 meters
Standby time: ≦100 hours
Size:65.5*59.1*33mm
Material: ABS+ PC
Function:
1. Battery in]]></description><pubDate><![CDATA[20170424]]></pubDate></item>
<item>
<title><![CDATA[5pcs in Stock Blue Color Wireless Sweatproof Earphones for Phone MP4 Tablet PC Black Red Blue Color]]></title><link><![CDATA[https://jeenalee.en.ec21.com/5pcs_in_Stock_Blue_Color--10637730_10230226.html]]></link><description><![CDATA[HOURS PLAY BACK:
Up to 8hrs full play back or 380hrs in standby providing more than suffient power for your musical enjoyment.
FAST FUEL: 5 minutes charge = 1 hour play
FLEX-FORM CABLE TPU Comfortabl]]></description><pubDate><![CDATA[20180410]]></pubDate></item>
<item>
<title><![CDATA[True Wireless Stereo Earbuds 5.0, Wilreless Earphones]]></title><link><![CDATA[https://techplus.en.ec21.com/True_Wireless_Stereo_Earbuds_5.0--11190303_11381868.html]]></link><description><![CDATA[43*21mm
Earbuds Info
Control Way
Touch Control
Battery
40mAh
Music Playing Time
4 hours
Size
43*17*7mm
Battery Case Standby Time
100hours
Packing Info
Weight/Pkg
85g
Pkg Size
100*100*30mm
PCS/CTN
100]]></description><pubDate><![CDATA[20210514]]></pubDate></item>
<item>
<title><![CDATA[Bluetooth Earphones, Smallest Mini Invisible V4.1 Wireless Bluetooth Headset Headphone Earphone Wit]]></title><link><![CDATA[https://raymond1991.en.ec21.com/Bluetooth_Earphones_Smallest_Mini_Invisible--10598851_10598981.html]]></link><description><![CDATA[40mAh rechargeable lithium-ion polymer battery, Up to 3 hours continuous talk time or 2.5hours music time(60% volume) on a full charge around 1.5 hours; Support IOS DEVICE POWER DISPLAY.
Support Stre]]></description><pubDate><![CDATA[20171130]]></pubDate></item>
<item>
<title><![CDATA[M3-Ear Noise Reduction Bluetooth Headset Business 4.0 Universal Wireless Intelligent Music Bluetooth]]></title><link><![CDATA[https://20131106.en.ec21.com/M3_Ear_Noise_Reduction_Bluetooth--8592974_9774846.html]]></link><description><![CDATA[4.1
Chip: Import CSR4.1
Control specification: 10M
Battery capacity: 3.7V 70mAh
Size: 51*12.5*5mm
Talk time: 6 Hours
Music time: 4 Hours
Standby time: 200 hours
Colors: Black, Silver, Gold, Red
Packa]]></description><pubDate><![CDATA[20151201]]></pubDate></item>
<item>
<title><![CDATA[Wesun  Fashinoable Sport Bluetooth Wireless Earphone]]></title><link><![CDATA[https://axiziluo.en.ec21.com/Wesun_Fashinoable_Sport_Bluetooth_Wireless--10883493_10883752.html]]></link><description><![CDATA[◆Bluetooth Version: V4.1+EDR
◆Frequency:2.402-2.480GHz
◆Transmission Distance: 10m/ 30feet
◆Music playing time: 4Hours
◆Charging time: 2 hours
◆With built-in high capacity Li-polymer batt]]></description><pubDate><![CDATA[20211201]]></pubDate></item>
<item>
<title><![CDATA[TWS, (Change Face) Bluetooth Earbuds, CE ROHS Bluetooth Headset,Headphone]]></title><link><![CDATA[https://vals2019.en.ec21.com/TWS_Change_Face_Bluetooth_Earbuds--11232412_11231336.html]]></link><description><![CDATA[40mAh/3.7V Li-Polymer
Charging Case Battery Capacity
300mAh/3.7V Li-Polymer
Earphone Charging time
1Hour
Charging Case Charging Time
&lt;2Hours
Charging Case for Earphones Charging
3 Times
Duration
&gt;16H]]></description><pubDate><![CDATA[20201113]]></pubDate></item>
<item>
<title><![CDATA[Sports Wireless FM Bluetooth Headphones]]></title><link><![CDATA[https://cn03709520.en.ec21.com/Sports_Wireless_FM_Bluetooth_Headphones--8349458_8403928.html]]></link><description><![CDATA[4dBm
9.Transmission range:about 10m
10.Power supply:AC input 110-240V ,output DC 5V/500mA-1
11.Talking time:4 hours
12.Listen to MP3 consumption time:about 4 hours
13.LIstening to FM consumption time]]></description><pubDate><![CDATA[20130820]]></pubDate></item>
<item>
<title><![CDATA[Earphone P47]]></title><link><![CDATA[https://xwin2021.en.ec21.com/Earphone_P47--11369569_11369613.html]]></link><description><![CDATA[40mm black magnetic 24Ω
3. Rechargeable lithium battery: 3.7V/150mAh
4. Use time: 6 hours
5. Functions: adjust volume, switch songs, answer incoming calls, reject incoming calls, hang up calls, Blue]]></description><pubDate><![CDATA[20211218]]></pubDate></item>

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