Specifications:
Material: ABS
Operation Voltage: 3.7V
Standby Current: 0.25mA
Operating Current: <3mA
Operating distance: <15M
Bluetooth-compatible Version: 3.0
Battery: 1 * 3.7V 140mAh Lithium Battery (built-in)
Opening Size: 302 * 97 * 20mm/11.89 * 3.82 * 0.79in
Folding Size: 152 * 97 * 40mm/5.98 * 3.82 * 1.57in