Up to 30 hours battery life, Cowin SE7 active noise cancelling earphone actively reduce the noise while you are on the road or doing sports, with Cowin's latest QuiteBalance noise cancelling technology.
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COWIN SE7 Active Noise Cancelling Headphones Bluetooth Headphones Wireless Headphones Over Ear with Mic/Aptx, Comfortable Protein Earpads 30H Playtime, Foldable Headphones for Travel/Work - Purple
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COWIN SE7 Dual Active Noise Cancelling Wireless Bluetooth Headphones - Cowinaudio
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ZIHNIC 2 Items,1 Rose Active Noise Cancelling Headphones Bundle with 1 Blue Bluetooth Wireless Headset : Electronics