Transmission range: 10 metersFunction: call function, support music, multi-point connectionBluetooth protocol: 4.0Channel: stereoUsage: neck hangingSingle or dual ear: bilateral stereoStandby time: 160 hoursTalk time: up to 58 hoursMusic playback time: about 4-6 hoursCharging time: about 2 hoursMicrophone sensitivity: -41+ 1DBFrequency response: 20- 20000HZOutput sensitivity: 92±3DBImpedance: 16+ 10%Rated input power: 10MWDistortion: ≤1%Cable length: 75MM
