Waterproof Over The Head Bluetooth Headset NFC Automatic Pairing With Retractable Design

Waterproof Over The Head Bluetooth Headset NFC Automatic Pairing With Retractable Design Specifications Bluetooth Version V4.0+EDR Support HSP, HFP, A2DP and AVRCP Frequency 2.4GHz-2.48GHz Frequency response 20Hz-20KHz Distortion ≤1% Talk Time >10hrs Music Time >8hrs Stand-by Time >300hrs Operation Range >10M Battery type Lithium polymer battery Powerful sound supported by wireless music streaming via Bluetooth, a rechargeable battery for playback anywhere and a built-in