Support Bluetooth V 4.2
Battery capacity of earphone :50mAh
Time for playing music: 3 hours
Transmission distance is 10M.
Charging time: 30 minutes
Input Sensitivity: 94dB
Horn: 10mm *2 Hi-Fi stereo.
Impedance ohmic value: 32
Color: Black, White, Red
Earphone battery output: 0.09W
Storage box charging times: 10 times
Control mode: key control
Microphone: -42dB MEMS Microphone
Compatible with most Smartphones, for iPhone, for iPad, for iPod, for Android Phone All Bluetooth devices.