Style: head-mounted stereo noise reduction Bluetooth headsetChip: CSR8635 (CSR4.0)Features: support music, call, battery display, multi-point connection and noise reductionColor: Black Silver Rose GoldNet weight: 232gReceiving range: 20m/360Performance: Charging 2-3h, working time 8h or more, long standby 500hHigh resolution stereo musicActive noise reduction 24DB40mm high fidelity speaker, excellent bassComfortable soft earmuffs for comfortUser-friendly button for easy operationRetractable head beam design for ease of useAccessories: USB charging cable 1pc Bluetooth headset 1pc3.5MM audio cable*1Product Manual *1