Item Type: Sleep & Snoring Material: ABS Number of Pieces: One Unit Pressure Range: 4-20 cmH2O Type: Anti Snore Chin Strap Work Mode: AUTO FEATURES 1. Using low-frequency pulse technology, massage the hypoglossal nerve and jaw muscles through vibration pulses of different frequencies, promote muscle tightening, adjust breathing rhythm, and make breathing easier. 2. This anti-snoring device can effectively relieve snoring, solve the problem of mild to moderate snoring, let you sleep peacefully, and avoid the harm caused by snoring. 3. This smart anti-snoring device is small in size, light in weight, comfortable to wear, easy to carry, and can be used when going out. 4. Suitable for many scenes, such as office, airplane, bedroom, dormitory, high-speed rail, car, etc. Specifications: Gear position: 6 gears Rated voltage: 3.7V Charging requirement: 5V Gross weight: 85g Product size: 5*2*1.2cm Packing size: 8*4.5*11cm WHAT'S IN THE BOX 1* anti-snoring device 1* adjustable lanyard 1* USB Charging Cable 1* Chinese and English User Manual