Feature: 1. EMS pulse goes deep into the cortex, stimulates nerves under the cortex, and muscles contract and relax. 2. Massage the soles of your feet to unblock meridians and rejuvenate your feet. 3. Ergonomic massage effectively relieves fatigue and relaxes your body and mind. 4. EMS low-frequency pulses relax tight muscle groups and relieve muscle soreness. 5.15-minute automatic timing and double-layer protection for overheating and automatic power-off. How to Use: Press the "H" key to start the host mode, the indicator light is on, and each press of the "M" key switches a mode 16 cycle. Press the "+" key to start the work, and then press the "+" key to adjust the intensity, and each press will increase by one level. Press the "" key to decrease the intensity, and each press will decrease the intensity by one level, 19 levels. When turning off the power halfway, please press the "H" key until the indicator light goes out. Specification Condition: 100% Brand New Item Type: Electric Foot Massager Mat Working Voltage: 3.7V Host Battery: Built-in Battery, lithium Battery 110mAh Foot Pad Size: Approx. 320 x 290 x 5mm/12.6 x 11.4 x 0.2in Working Time: 15min 6 Modes: Beat, firm, strengthen, knead, shake, relax 9 strengths Features: Bio-electric massage, portable storage, smart acupoint capture, button adjustment, EMS technology