Specification: Name: double chin massager Material: ABS Product colour: white. Battery capacity: 1000mAh Working temperature: 42°C. Operating speed: 1-8 gears. Charging time: 2 hours. Use time: 12 to 15 times on a full charge, 15 minutes each Output voltage: 3.7V Power: 7 W. Quiescent current: 100uA. Product size: approx. 17 x 11 x 50 cm / 6.69 x 4.33 x 19.69 inches. Folded size: approx. 13 x 6 cm / 5.12 x 2.36 inches. Product list: 1 x face slimming instrument. 1 x USB cable. 1 x instructions. Notes: 1. Due to the lighting effects and shooting angle, there is a colour difference in the product, please understand. 2. Due to manual measurement, there is a tolerance in the product size.