Product name: 7 colour light neck beauty instrument
Product material: ABS + electroplating technology
Battery capacity: 400 mAh
Battery type: lithium polymer battery
Charging voltage: 5V/1A
Rated voltage: 3.7V
Rated power: 3W
Function: three gears 7 modes, constant temperature heat, vibration massage
Duration: 1 to 2 hours
Product size: 139*90*38mm
