EMS Pulse Portable Beauty Massage Physiotherapy Gloves Specifications: Product name: Tens massager POWER: DC5V Host battery: 200mAh Material: ABS Function 1. 4 modes 9 level intensity 2. Rechargeable lithium battery 3. Battery indicator to know when need to recharge battery, USB charging Features: 1. Includes 4 modes: Tuina, kneading, acupuncture, tapping, and 9 intensity levels for your customized massage experience. 2. USB charged with built-in battery of 200mAh capacity. 3. You are advised to use the massager twice to 3 times a day, the machine will automatically shut down after 20 minutes operating. 4. It allows for two and a half hours operating hours after fully charged, which saves you from frequent charging. What's in the box: 1 * EMS Machine 1 * Pair Gloves