Features: Brand New and High Quality. It helps people with poor sleep quality and helps you fall asleep as soon as possible. At the same time, it has the function of relieving rest, anxiety and depression. Exquisite design, matte texture, comfortable and skin-friendly experience. Protective shell with hanging design, easy to take. USB portable charging, long battery life. It avoids drug dependence and side effects, is economical and practical, and has a small patient burden. Smart and compact, convenient to carry. Two available operating modes, just press the power button to adjust the mode. Pulse intensity can be adjusted as needed. How to use: Put the front of the product completely on the palm of your hand. The start switch is in low-frequency decompression mode, and it is recommended for left-handed use. Pressing the switch again is the high frequency mode, it is recommended to use the right hand. The "+" and "-" on both sides are used to adjust the power. Long press the switch to shut down.(using 20mins, machine will turn off automatically by the protect program) Specification: Material: ABS+Stainless Steel Size: 25*32*70mm Color: Gray,Blue,Orange Charging input voltage/current: DC 5V/1A Full-charge time: 1.5 hours Built-in battery specifications: 500mAh Charging mode: USB Package Included: 1pc X Head Sleeper 1pc X USB charger 1pc X Lanyards 1pc X Manual