Features 1. Built-in 15 different pre-programmed stimulation modes for multipurpose massage experience to effectively relieve pain and fatigue, promote blood circulation and metabolism or stimulate muscle for enhanced muscle performance of different body parts like head, shoulder, waist, back, buttocks, legs and etc. 2. Large 2.0” backlight LCD display enables clear and direct working status indication of remain battery power, mode, intensity and timer both during the day or night, even in the dim environment. 3. Easy button control design, you can effortlessly switch modes, set timer and adjust intensity levels, and power on/off on the operation panel according to your massage preference. 4. Support 4 independent outputs (CH1, CH2, CH3, CH4 Channels) to allow customization applications on different body areas with different massage intensities simultaneously, practical to share with your friends or family members together. 5. Well organized and stored in a package box, ideal gift to show the care for your loved ones such as your family or friends, really a practical personal fitness keeper device in the busy modern life. Specifications: Material: ABS+PC Color: Silver Power Supply: Type-c charging Output Parameters Output pulse width: 90us + 15% Pulse frequency: < 100Hz The maximum output amplitude: < 5V(r.m.s) Input Parameters Input voltage: DC4.5V Rated current: ≤ 50mA Rated power: ≤ 0.25W Intensity Stage: 20 Levels Timer: 10/20/30/40/50/60/70/80 Min Use Time: about 60 MIN 15 Massage Modes: What's in the box: 1* Electric Therapy Massager (Main Unit) 8pcs* Electrode Pads (4*4cm) 4* Electrode Wires 1* User Manual 1* Type-c charging cable