ltem description from the seller
Main material Medical silicone
Colour: Black
Battery capacity: Lithium battery 3.7V/140mAh
Weight 122g
Size : vibrators:137mm*89mm*44mm
Remote control: 70mm*35mm*15mm
Vibration mode 1*9 vibration mode
Charging time 1.5 hours
Working time 0.5-1.2 hours
Charging mode Magnetic USB charging
Maximum noise 40 decibels
Waterproof performance IPX7