1,Bluetooth version:V5.0
2,Chipset: JL
3,Support protocol :A2DP,AVRCP
4,Working distance:10M
5,Frequency response:20-20000Hz
6,Bearing power: 50mW
7,Speaker: 40mm
8,Impendance: 32Ω
9,Battery capacity:200mAh
10,Charging voltage and current:5V 500mA
11,Charging connect: Micro USB
12,SNR: 100dB
13,Frequency range: 2.4GHz~2.48GHz
14,Working current:30mA
15,Power supply:3.3~4.2V