Content: 1 x Device, 2 x Heads, 1 x User Manual, 1 x Cable. Single Charge support long runtime: 4 hours full charge last 150 times of normal usage (5 Min per time),IPX6 waterproof. LED Light & IPX6 Waterproof: Built in LED light to facilitate all-round cleaning of your teeth. The waterproof design makes it easy for you to clean the machine for multiple uses, but do not soak it in water, safe and hygienic. 5 Modes: Designed with 5 modes (soft, normal, middle, strong, super strong) to adapt to different gum sensitivity and meet different needs. You can also choose the right speed mode according to the severity of the stain on your teeth. Effective to clean teeth: Effectively removes dental plaque and tooth stains, helping you get rid of plaque tartar and stain. Perfect for daily teeth cleaning.