1.This neck beauty massager, massage + hot compress +colorful light\ + vibration + EMS, can effectively reduce neck wrinkles, fine lines and wrinkles, lift and firm the skin, and aims to give you a swan neck. Features 2.It can be used to quickly import the essence, make the skin better absorb nutrients, whiten the skin, brighten the complexion, improve the skin texture, and rejuvenate the skin. Features 3.Unique roller massage cover, double roller design, not only can be used to protect the product, but also can massage the facial skin through the double roller to achieve the effect of thin face. Features 4.The curved massage head is ergonomically practical, perfectly suitable for the neck curve, and comprehensively cares for the neck skin. Features 5.Our neck beauty instrument provides professional beauty services and is easy to operate, allowing you to do a beauty spa for your neck at any time at home. Specifications for Type A Material: ABS Product color: white Battery capacity: 400mAh-602040 rechargeable battery Charging port: Type-C charging port Rated power: 4W Output voltage: 3.7V Product size: 10.8*8.5*3cm Packing size: 14.2*10.5*4.6cm Specifications for Type B Color: white Material: ABS Gear: 3-speed adjustment Rated voltage: 3.7V Charging voltage: 5V Charging time: about 3 hours Rated input power: 2.3W Net weight: 53g Product size: 12 * 8.5 * 4.5cm. Packing size: 12.8 * 9.8 * 5.3cm Packing List for Type A 1* Neck beauty device (with massage ball) 1* Type-C Charging Cable 1* English User Manual Packing List for Type B Neck beauty instrument *1 Using manual *1 USB charging cable *1