Form Color: Blue + Black Material: PU leather + aluminium alloy Quantity: 1 Shade Of Color: Blue Ear Coupling: Headband Bluetooth Version: Bluetooth V4.0 Operating Range: barrier-free in 10 meters Radio Tuner: Yes Microphone: Yes Supports Music: Yes Connects Two Phones Simultaneously: No Applicable Products: Universal Built-in Battery Capacity : 400 Battery Type: Li-ion battery Talk Time: 8-10 Music Play Time: 10-12 Hours Standby Time: 80 Power Adapter: USB Other Features: Drive: 40 mmImpedance:32 ohms Frequency response:20-20000 Hz Audio input:3.5 mm Bluetooth distance: 10 metersBluetooth version: V4.0Power level: CLASS IIWorking voltage: 3.0~4.2VMicrophones sensitivity: -42±3dBOutput power: 30 mWDenoising circuit, active noise reductionBluetooth frequency: 2.402~2.480 GHz Packing List: 1 x Bluetooth headset1 x USB cable(105cm)1 x 3.5mm audio cable(100cm)1 x Carrying bag1 x English user manual Form Color: Blue + Black Material: PU leather + aluminium alloy Quantity: 1 Shade Of Color: Blue Ear Coupling: Headband Bluetooth Version: Bluetooth V4.0 Operating Range: barrier-free in 10 meters Radio Tuner: Yes Microphone: Yes Supports Music: Yes Connects Two Phones Simultaneously: No Applicable Products: Universal Built-in Battery Capacity : 400 Battery Type: Li-ion battery Talk Time: 8-10 Music Play Time: 10-12 Hours Standby Time: 80 Power Adapter: USB Other Features: Drive: 40 mm Impedance:32 ohms Frequency response:20-20000 Hz Audio input:3.5 mm Bluetooth distance: 10 meters Bluetooth version: V4.0 Power level: CLASS II Working voltage: 3.0~4.2V Microphones sensitivity: -42±3dB Output power: 30 mW Denoising circuit, active noise reduction Bluetooth frequency: 2.402~2.480 GHz Packing List: 1 x Bluetooth headset 1 x USB cable(105cm) 1 x 3.5mm audio cable(100cm) 1 x Carrying bag 1 x English user manual Brand General SKU 100614018_NP-1021050190