Feature:1. [15 Modes]Its machine includes 15 modes with increasing intensity from 20 levels. You can get many sensations, just like kneading mode, tapping mode, pressing mode, etc.2. [4 Outputs]4-channel unit can support up to 8 sets of pads and work on multiple areas simultaneously.3. [Useful]The electric muscle massager stimulates sensory nerves and muscles to relax your body and manage pain when you feel the need.Specification:Description:TENS andamp; EMS muscle stimulator will help manage pain issues. It helps reduce pain and muscle soreness caused by conditions like back/shoulder pain, arthritis, nerve pain, joint pain, period pain, neck pain, knee pain, sports injuries (effective in muscle recovery).Features:[15 Modes]Its machine includes 15 modes with increasing intensity from 20 levels. You can get many sensations, just like kneading mode, tapping mode, pressing mode, etc.[4 Outputs]4-channel unit can support up to 8 sets of pads and work on multiple areas simultaneously.[Useful]The electric muscle massager stimulates sensory nerves and muscles to relax your body and manage pain when you feel the need.[Portable]Relax anywhere at any time with something pocket-sized. It can be used in the office while traveling.[LCD Screen]The bright LCD is clear and easy for you to know your current selection and level of intensity.Specifications:Color: SilverMaterial: ABS, PC, Electronic ComponentStyle: PracticalMassage intensity: 20 gearsMode: 15 ModesOutput Channel: 4 ChannelsMax Output power: andlt;0.25WSetting Working time: 60minStandby time: 21 daysBattery: 3 x AAA batteries (Not Included)Occasion: Home, Spa, Travel, etcPackage Size: 20.5 x 18 x 4cm / 8.07 x 7.08 x 1.57inchPackage Weight: 456g / 1lbPackage List:1 x Muscle Stimulator1 x User GuidePackage List:1 x Muscle Stimulator1 x User Guide