Bluetooth version : V4.2+EDR
Standby time : 50 hours
Talking time : 3 hours Charging time :1.5 hours
Signal range : 10-20m
Product Weight : 5.7g
Size : 53.1*14*20.6m
Bluetooth version : V4.1+ EDR
Standby time : 32 hours
Talking time : 2 hours
Charging time :1.5 hours
Signal range : 10-20m
Product Weight : 3.5g
Size : 24*15.7*22mm
Bluetooth version : V4.2+EDR
Standby time : 80 hours
Talking time : 3.5 hours
Charging time :1.5 hours
Signal range : 10-20m Product
Weight : 15g Size : 42.5*8*5.5m
Input : DC12-24V
Output : DC5V/1A(Max)
Specification : Optimize the chip, Effcient and stable
Using : Fast USB output Mini size Car charger
Size : 24*22*65 mm