Material：PC
Bluetooth Version/chipset：BT5.4/JL83D4
Supported protocols：A2DPAVCTPSBCACCMSBCCVSDHFPSPP
Transmission Distance：10M
Working Voltage：5V
Impedance：32Ω±15%
Speaker Power：3mW
Earbud /charging case Battery (mAh)：30mAh/300mAh
Charging Time：About 100minutes
Calling：About 4 hours
Music Play：About 5 hours
Standby：Earbuds: about 15 hours
1. LCD full-color touch screen, with 13 functions
2.ENC call noise reduction
3. Palm-sized square box, extremely comfortable to hold
4.Touch controls, efficient and convenient
