Description: 【Sturdy Material】:The electric neck massager's shell is made of ABS, which is skin-friendly and allows the user to get rid of the feeling of restraint, good leather. 【8 Modes】:The muscle relief relaxation shoulder body massage has 8 modes of intensity, 19 levels of intensity, 15 minutes of work, customizable heating, APP and remote control. Tapping, vibration, stretching, acupressure, hammering, relaxation, burning, kneading. It can be applied to all body parts, back, abdomen, neck and legs. 【Easy to use】:The electric massage patch is easy to use and easy to operate. 1-4 stages are used for sensitive areas, 5-9 stages are used for mild pain, 10-14 stages are used for moderate pain and 15- are used for severe pain. 【How to use】:Multifunctional massage mat host adsorption patch, tear off the hydrogel film, cervical spine patch host "+" key to open, cervical spine paste in the cervical spine, select the  key to select the mode, the remote control "+" to select the mode. 【Product Parameters】:Cervical massage pad is charged using , output voltage max 9.8mA, rated voltage DC3.7V, idle frequency 1-100HZ, power supply battery 150/200mAh polymer battery. Size Chart: Length:30cm/11.81inch Package Includes: Regular model×1pc with a free charging cable   Note: Please allow slightly errors due to manual measurement and different monitors.