朗怡国际有限公司
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Cool Stylish ANC Headsets Bluetooth Wireless Headsets Headphones
*Bluetooth CSR 8635 V5.0 headphone
*Speaker size: Φ40mm Neodymium magnet
*Active cancellation: 18-23 dB
*with 350mAh rechargeable battery
*Play time over 9hrs at max volume