K55 Wireless Bluetooth Headset Lavalier Retractable Cable

Specification:

Transmission distance: 10M
Transmission frequency: 2.4GHZ
Charging voltage: DC5V
Charging time: less than 20 minutes
Talk time: about 20 hours
Music time: about 20 hours
Standby time: about 180 days
Battery capacity: 140MAH
Body size: 56(L)*25(W)*13(H)MM (with back clip height 20)

Function:
The unique listening and retractable cable function design is more convenient, no need to put the earphones in the ears for a long time
Vibration reminder function for incoming calls
Intelligent voice reminder, caller number
Chinese and English bilingual switching
Power display
One for two, can connect two mobile phones at the same time ⑦ One-ear answer

Packing list: 

Earphone + usb data cable+ Storage bag + manual *1