ONIKUMA B90 Gaming Headsets Black

Drive diameter: 40mm Chipset: ATS3015 BT5.0 version Support protocol: AVRCP1.4, A2DP1.2, HFP1.6, HSP1.2 Audio decoding: WMA, APE, FLAC, AAC, M4A, WAV, AIF, AIFC Bluetooth distance: 10m Frequency: 2.402GHz-2.480GHz Microphone sensitivity: -42±3DB Sensitivity: 94±3DB Impedance: 32 ohm Frequency response range: 20-15KHZ Battery capacity: 800mA Playing time: 15-22 hours Audio delay: 40-60mS Charging time: about 3 hours