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<title><![CDATA[EC21 Product Catalogs - bluetooth 5.3]]></title>
<link><![CDATA[https://www.ec21.com/ec-market/bluetooth_5.3--0821/1/bluetooth 5.3.html]]></link><item>
<title><![CDATA[QS9 Open Ear Headphones BLUETOOTH5.3 Headset Wireless Earphones]]></title><link><![CDATA[https://wouo.en.ec21.com/QS9_Open_Ear_Headphones_BLUETOOTH5.3--11865951_11871098.html]]></link><description><![CDATA[Bluetooth call、Bluetooth music、Voice Assistant
Technical parameters： jieli AC6973 ；
Loudspeaker：15*11 DRIVERS；
Battery：lithium 60mAh*2(earbuds)/300mAh:300mAh(case)；
Charging mode：ty]]></description><pubDate><![CDATA[20231128]]></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 A97 Pro TWS Earbuds Wite Smart Digital Display]]></title><link><![CDATA[https://jinwandalaohu.en.ec21.com/BJBJ_A97_Pro_TWS_Earbuds--11660886_12020723.html]]></link><description><![CDATA[Bluetooth version:V5.3Stand-by time:140 daysTalk time:3.5 hoursMusic playtime:6-7 hours * 3TimesCharging time:1.5 hoursCharging voltage:DC 5VFrequency range:20-20000HzTransmission distance:10m-15mBat]]></description><pubDate><![CDATA[20241025]]></pubDate></item>
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<title><![CDATA[Winto AC03 Open-ear Air Conduction Headphone with Directional Sound Technology]]></title><link><![CDATA[https://wirelessearbuds.en.ec21.com/Winto_AC03_Open_ear_Air--11809832_11809845.html]]></link><description><![CDATA[Winto AC03 Open-ear Air Conduction Headphone with Directional Sound Technology
1.Bluetooth Version: V5.3
2.Chipset:ATS3019
3.Bluetooth Profiles: A2DP/AVCTP/AVDTP/AVRCP/HFP/HID 
4.Decoder: SBC, AAC 
5]]></description><pubDate><![CDATA[20240919]]></pubDate></item>
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<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[2 in 1 earphones（earphone+Video browser)
SPECIFICATION:
• Bluetooth solution: JLAD7003D4 and JL6332A2
• Bluetooth version: V5.3
• Speaker: 13mm *2 ( with Video browser) • Battery of earbuds]]></description><pubDate><![CDATA[20240718]]></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>
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<title><![CDATA[Radio Bluetooth Safety Hearing Protector Pro]]></title><link><![CDATA[https://zhsafetech.en.ec21.com/Radio_Bluetooth_Safety_Hearing_Protector--11951558_11951559.html]]></link><description><![CDATA[Bluetooth:
BT 5.3
Application:
This Bluetooth hearing protector is design for most of the labor or daily scenes: entertainment / moving / machine / wood working / cutting / welding / engineering / et]]></description><pubDate><![CDATA[20240614]]></pubDate></item>
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<title><![CDATA[Luminous Bluetooth Headset Over-the-head Gradient Color Cat Ear High-value Gaming Headset]]></title><link><![CDATA[https://zmy20240512.en.ec21.com/Luminous_Bluetooth_Headset_Over_the--11935481_11935783.html]]></link><description><![CDATA[Discoloration, love at first sight.
RGB magic lighting effects, 40MM large driver unit, low latency gaming.
Product features: stereo surround sound, Bluetooth V5.3, long life, HD microphone, dazzling]]></description><pubDate><![CDATA[20240520]]></pubDate></item>
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<title><![CDATA[05 Chele Wireless in-ear Headphones, Sporty High Sound Quality, Ultra-long Battery Life]]></title><link><![CDATA[https://chele2005.en.ec21.com/05_Chele_Wireless_in_ear--11932934_11932952.html]]></link><description><![CDATA[Bluetooth function 5.3
Maximum-level configuration Powerful upgrades Intelligent assistant original sound quality Super long battery life
Designed by famous teachers to reconstruct comfortably
]]></description><pubDate><![CDATA[20240506]]></pubDate></item>
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<title><![CDATA[Earbuds Sports Games Wireless Bluetooth Headphones]]></title><link><![CDATA[https://zzbeyond.en.ec21.com/Earbuds_Sports_Games_Wireless_Bluetooth--11926715_11926720.html]]></link><description><![CDATA[Bluetooth 5.3 chip performs fast and stable connection. Gaming is no longer for wired earphones onlyComfortable. Specifically designed for ears. Make it comfortable and long-lasting wearingWaterproof]]></description><pubDate><![CDATA[20240418]]></pubDate></item>
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<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[Bluetooth 5.3, upgrade again. 6. Game mode, ultra-low latency.
Ultra short, ultra light, ultra beautiful. Single ear weight of 3.5g, elastic bass+EQ sound effect. The ear stalk is as short as 2cm. EN]]></description><pubDate><![CDATA[20240314]]></pubDate></item>
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<title><![CDATA[XKT10 PRO Monster TWS Earbuds Wireless CE Certificate with Neon Light]]></title><link><![CDATA[https://hanskey.en.ec21.com/XKT10_PRO_Monster_TWS_Earbuds--11875488_11875489.html]]></link><description><![CDATA[Bluetooth version 5.3 ensures an uninterrupted connection while you’re listening. Whether you’re walking, running or just relaxing, TWS Wireless Earbuds provide a great sound experience with no h]]></description><pubDate><![CDATA[20231214]]></pubDate></item>
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<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>
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<title><![CDATA[ANC Bluetooth Headphone Active Noise Cancellation Wireless Wired Headphone]]></title><link><![CDATA[https://axiziluo.en.ec21.com/ANC_Bluetooth_Headphone_Active_Noise--10883493_11905212.html]]></link><description><![CDATA[Specification:Model: WS-850Bluetooth version: V5.3Connectivity : 2 in 1(Wired and Wireless )Receiver distance: 10mMusic time for bluetooth: about 18hoursMusic time for bluetooth +ANC: about 16 hours ]]></description><pubDate><![CDATA[20240222]]></pubDate></item>
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<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[Bluetooth Version: V5.3
2.Driver Size: 13mm, 16ῼ 
3.Sensitivity：106dB±1.5 
4.Noise cancellation: -30dB 
5.Earbuds Battery Capacity:40mAh
6.Charging Case Capacity:500mAh
7.Playtime: 6-7 hours
8.T]]></description><pubDate><![CDATA[20230810]]></pubDate></item>

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