Application: Body 4 modes Ten machine units 9 intensities 4 electrode pads for pain relief EMS muscle stimulation pulse massage Ten types of electrical stimulators Features: 1. Includes 4 modes: massage, kneading, acupuncture, tapping and 9 intensity levels to customize your massage experience. 2. USB charging, built-in 200mAh capacity battery. 3. It is recommended that you use the massager 2 to 3 times a day, and the machine will automatically shut down after running for 20 minutes. 4. It can work continuously for two and a half hours after being fully charged, eliminating the trouble of frequent charging. Material: ABS color: gray Size: 8.5*3.5*1cm Weight: 173g Packing list: 1* 4 pairs* electrode pads 1* remote control 1* storage bag 1* user manual