Bluetooth Version : 4.2
Charging Voltage : 5V
Working Voltage : 3.7 V
Battery Specification : Polymer lithium battery
(approximately 500 mah)
Bluetooth distance : 10 M..
Bluetooth Version : 4.1
Charging Voltage : 5V
Working Voltage : 3.7 V
Battery Specification : Polymer
battery
(approximately 230 mAh)
Bluetooth distance : 10 M..