Parameter
◪Bluetooth Version: V4.2
◪Support System:Android/iphone/PC
◪Voice Prompt: Chinese and English
◪Battery Capacity:35mAH
◪Battery of charger case: 100mAh
◪Operating Range:10M
◪Charger time: 1h
◪Talk time: 4H
◪Music time:1.5H
◪Standby time:48H
◪Impedance: 32R
◪Sensitivity:-42dB
◪Frequency Range:20Hz~20KHz
◪Weight: 15g / 79g