Features1TENS Pulse: Using pulsed electric frequency to conduct to the deep skin, simulate a variety of massage, to bring you a comfortable massage experience. 2Ergonomic Design: Ergonomically designed with 3D intelligent fit technology, the electrode pads fit the curve of the neck and can be easily adjusted. 36 Massage Modes: Built in intelligent chip, including a variety of simulation of human massage technology, 6 kinds of massage modes, effective deep muscle relaxation. 4Portable Desgin: Compact and lightweight, can be carried around with you, which allows you to enjoy a comfortable massage when travel. 5Excellent Material: Can fit your neck size and curves better. Made of breathable material, friendly and durable pads to avoid discomfort when wearing.SpecificationItem Type: Neck MassagerBattery Type: 2 x AAA batteries (not include)Material: ABS6 Massage Modes :Mode 1: Adaptation gearMode 2: Finger pressure massageMode 3: Press massageMode 4: TappingMode 5: Tapping, kneadingMode 6: Quick hammer, pressing massagePackage List1 x Neck Massager 1 x English Manual