Bluetooth 5.2
Speaker: φ40mm/ Sensitivity: 116±3db/ Impedance: 32±15%Ω/ Frequency response: 20~20KHz
Microphone: Omni-directional/ Mic unit diameter: φ6.0±5.0mm/ Mic Sensitivity: -35±3db/ TYPE-C port for charging/ Cable: 1.20±0.01m