Bluetooth version: V5.1+EDR; Button: Touch type Compatibility: iOS and Android; Microphone sensitivity: 120db +/- 3db; Noise reduction version: CVC8.0 Frequency: 20Hz-20kHz; Battery capacity: 2000mAh for the headphone case; Headphone battery capacity: 50mAh; Transmission distance: 10m; Automatic st... - zobacz cały opis