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<title><![CDATA[EC21 Product Catalogs - flexible frequency]]></title>
<link><![CDATA[https://www.ec21.com/ec-market/flexible_frequency--0821/1/flexible frequency.html]]></link><item>
<title><![CDATA[Smart Audio Eyeware]]></title><link><![CDATA[https://cont.en.ec21.com/Smart_Audio_Eyeware--12003634_12004256.html]]></link><description><![CDATA[Frequency Range: 20Hz~20KHz
Sensitivity: 114+/-3dB
Bluetooth Version:5.0
Wireless control distance: 10 meters
Battery Type: Lithium
Battery capacity: 60+60 mAh
Charging voltage: 5V
Charging time: 1 h]]></description><pubDate><![CDATA[20240922]]></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[frequency training, restore the music high frequency bright, the middle frequency is full and the low frequency is rich and elastic, immersive sound, shock and enjoyment.
Up to 10 hours of battery li]]></description><pubDate><![CDATA[20240520]]></pubDate></item>
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<title><![CDATA[Wireless Headphones for Sports HD Stereo Headsets Heavy Bass Sweatproof Earbuds with Mic for Running]]></title><link><![CDATA[https://raymond1991.en.ec21.com/Wireless_Headphones_for_Sports_HD--10598851_10599004.html]]></link><description><![CDATA[Flexible silicone ear hook and Ergonomic design to secure behind your ears and rest comfortably in the ear canal.Ergonomic in-ear design match your active lifestyle like running, jogging, cycling, dr]]></description><pubDate><![CDATA[20171130]]></pubDate></item>
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<title><![CDATA[Neck Wireless Bluetooth Earphones]]></title><link><![CDATA[https://l2358084707.en.ec21.com/Neck_Wireless_Bluetooth_Earphones--11573403_11576450.html]]></link><description><![CDATA[Frequency Is Thick And Flexible.-- Memory Neck Collar: The Collar Is Preferably Made Of Medical Liquid Silicone.--Selected high-quality materials: skin-friendly, soft material sweat-proof, liquid sil]]></description><pubDate><![CDATA[20220528]]></pubDate></item>
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<title><![CDATA[Wideband NC Monaural Headset]]></title><link><![CDATA[https://linetech.en.ec21.com/Wideband_NC_Monaural_Headset--2_3236797.html]]></link><description><![CDATA[Flexible Boom 
300&amp;deg; Rotation of boom​ 
Adjustable Tubed Headband 
Light Weight 
Comfortable Silicon Head Pad 
QD (Quick Disconnector) &amp;ndash; Jabra QD / Plantronics QD suite Shield Wire Cord 
B]]></description><pubDate><![CDATA[20170714]]></pubDate></item>
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<title><![CDATA[Aviation Headset]]></title><link><![CDATA[https://leonics.en.ec21.com/Aviation_Headset--502085_10397651.html]]></link><description><![CDATA[flexible mike boom with free mike muff 
Noise cancelling electret microphone 
Gold plated communication cable plugs for better contact resulting in noise free audio 
NR Rating : -26 db 
Frequency res]]></description><pubDate><![CDATA[20180311]]></pubDate></item>
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<title><![CDATA[Cheap Earphone in ear for Mobile Phones, Computer, MP3 Music Player, OEM Factory.]]></title><link><![CDATA[https://newbenchina.en.ec21.com/Cheap_Earphone_in_ear_for--6604210_5995070.html]]></link><description><![CDATA[frequency and clear high-frequency
2. Fashionable and flexible design
3. Softy leather ear-pud and closed type headphones design for wearing comfort and 
excellent noise-cancel function
SPECIFICATION]]></description><pubDate><![CDATA[20140519]]></pubDate></item>

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