Power supply mode: USB Control mode: button type Gear: 3 gears Principle of massage: kneading Color: Black charging model Color: Grey charging model Product Name: Multi-claw electric massager Material: TPE Massage method: vibration massage Control intensity: 3 gears Product List: Multi-claw electric massager *1, USB charging cable*1, instruction manual*1 Certification type: appearance patent, ROHS, CE, battery has MSDS Black Charging Model: Charging voltage: DC5V/1A Rated voltage/current: DC3.7V/500mA Battery capacity: 650MA/lithium battery Charging time: about 2.5 hours Working time: about 4 hours, automatic shutdown after 15 minutes of boot Product size:17.68*12*12cm Weight: net weight 0.161KG, gross weight 0.319KG Packing size: 18.7*14.5*14.4CM Grey charging model: Product power: 1.2W Operating voltage: 5V Battery capacity: 500mah Charging time: 3 hours Product size: handle 6*5*5cm, grip 20*20cm Product weight: 252g Packing size: 16*9.5*10cm 1. TPE 3D massage arm: with 12 TPE material 3D massage arms, good elasticity, high flexibility; 2. USB port charging: USB charging socket, no need to install batteries, with 4 LED red light; 3. 1 key switch 3 gear selection: 1 switch, simple operation, control switch and gear, 3 gear selection can experience different; 4. A variety of ways to use: fit the curve of the head.