Graffiti sports noise reduction headset Bluetooth 5.0 headset wireless stereo Features Enjoy a good quality 40MM large drive unit, using high-performance acoustic devices, long-term debugging by the tuner, each syllable is almost . The high-account Bluetooth low energy CSR chip walks and stabilizes a 10 meter barrier- transmission distance. Smart most mobile phones, tablets, computers and other devices on the market, metal 3.5mm audio cable iOS and Android can be changed at will. The omnidirectional noise reduction Kefeng high-definition hand-hidden high-sensitivity microphone design supports 360 ° omnidirectional microphones such as video and call recording. The elegant foldable design shrinks as we go, and it can be easily stored in the bag to go out on the street and be a good travel companion through the node design. Music games and entertainment are not limited. Full-painted matching, whether it is songs, music, jazz, mobile phones, or computer games, can enter the sound of being in one machine. option player supports player function, the stored music can be played through card. parameter Product model: Bluetooth C100 Sound unit: φ 40mm Pairing name: VT02 Impedance: (32 ± 15%) n, 1KHz Battery capacity: 380MA / H Frequency response: 20-20KHZ Use time: 20-24 hours Sensitivity: 105dB +/- 3db (1KHz) Standby time: off state> 3 months Maximum output power: 30mw Charging time: 1-2 hours Talk time: 15-16 hours Charging method: USB 5V Shutdown standby current: ≤1.5uA Working voltage: 3.7V Charging current: 180MA contain 1x headphones 1x data cable 1x manual