Feature: 1. 1. Built-in 6 stimulation modes for multi-purpose massage experience including strobe, acupuncture, manipulation, cupping, massage, scrapping, can effectively reduce fatigue, enhance blood circulation and muscle performance. 2. 2. Large display and button control for user-friendly operation experience and free setting, easy to switch modes, increase or decrease intensity levels, set the time, power on / off according to your needs. 3. 3. Auto power off and timer function can effectively save energy, only 3 * AAA batteries needed for continuous enjoyment. 4. 4. Portable and lightweight design, can put in your bag or backpack, saving space with carrying breeze. 5. 5. Ideal gift for your family and friends to show your love and care for your health, it can solve wide range of daily health ailments for your full body like legs, arms, stomach, etc. Specification: There are two ways to use this product. 1. Can use 3 AAA batteries 2. Use the for Android cable to connect any matching power head Voltage: 4.5V Product size: 12.5 * 6.5 * 2.2cm/4.92 * 2.55 * 0.86inch(Approx.) Product net weight: 65.8g Material: ABS Intensity: 11 levels (adjustable) Massage mode: 6 modes Package List: 1 x Tens unit, 1 x English user manual, 2 x 4-way electrode wires, 4 pairs of electrode pads, 1 x Android cable