Unique design, Super Bass Stereo;
Bluetooth Version:V5.4
Chipset: AB5756T
Profile::HSP/HFP/A2DP/AVRCP
Bluetooth Distance:10Meters
Impedence: 32Ω
Driver Size: φ13mm
Frequency Range:20-20Khz
Sensitivity:98±3dB
Battery: 30mAh for earbud/250mAh for charging case
Charging port type:Type C
Charging Time:1.5 HRS
The numbers of re-charge: 3
Charging input(Amps):5V 1A
50% volume Playing Time : 5HRS
100% volume Playing Time: 4HRS