Parameter
◪Bluetooth Version:V5.0
◪Chipset : Realtek
◪Voice Prompt: Chinese and English
◪Battery Capacity:50mAh*2
◪Battery of charger case: 400mAh
◪Operating Range:10M
◪Charger time: 2h
◪Talk time: 4-5H
◪Music time:4-5H
◪Standby time: 150H
◪Impedance: 32R
◪Sensitivity:-42dB
◪Frequency Range:20Hz~20KHz
◪Weight: 15g / 79g