S-k39
Bluetooth 5.0 ; Chipset: JieLi
Message
1.Bluetooth specification):5.0 Chipset:JieLi
2.Bluetooth profile:Supprot A2DP1.2 AVRCP1.4 HFP1.6 HSP1.2
3.Drive Dimension):Ф40mm;
4.Impedance:32Ω;
5.Sensitivity :100±3dB
6.Frequency Range):20~20KHz
7.RF Range: 10M;
8.S/N: >75dB;
9.Distortion:<0.5% ;
10.playback time ):≥7H;
11.charging time):≤2H;
12.Built-in lithium battery):3.7V/250mA