◆battery used,power:5V 5W
◆battery Capacity: 1200mAh,
◆Waterproof Level: IPX4
◆Scratch & vibration massage                                                                        ◆3 modes of masagers
◆Two speed adjustable
◆Wireless design: built-in li-battery
◆Skin-friendly silicone material
◆LCD Display, easy to control
◆charge for 3 hours, use for 1 hour