Feature: 1. Designed according to ergonomics, beautiful and comfortable. 2. Adopt far‑infrared graphene heating technology, and set low, medium and high temperature, which can be selected according to needs and ambient temperature. 3. It has a vibration function and is set to 3 vibration modes, which can be selected according to comfort. 4. It adopts LED indicator to display and buzzer prompt, which is more convenient to use. 5. USB fast charging, built‑in large‑capacity lithium battery power supply, rechargeable, easy to use. Specification: Item type: Warming BeltMaterial: ABSSize: Approx. 168x88mm/6.6x3.5inWeight: Approx. 411g Power supply: DC5V/1000 (USB) Input power: 5W Lithium battery: built-in battery DC3.7V/2000mAh Normal working conditions: Environment temperature: +5℃~+40℃ Relative humidity: ≤80% Atmospheric pressure: 86kPa~106kPa Transportation and storage conditions: Ambient temperature range: -20℃~+55℃ Relative humidity range: ≤93% Atmospheric pressure: 50kPa~106kPa Keep in a dry and ventilated placeProduct introduction: This product adopts graphene heating technology and is used with auxiliary wormwood bag or essential oil for better effect.Instructions 1. Short press the power button to turn on, the host starts to work and enters heating mode 2 by default; 2. Then short press the power button to select three vibration modes, "1, 2, 3" will be lit accordingly. Cycle in turn: 3-2-1 Vibration stop -1- 3. If you want to adjust the temperature, short press the temperature key, you can choose 3 heating modes, "3, 2, 1" corresponds to the corresponding number, and cycle in turn: 3-2-1-heating stop-3-2-1-( 1 represents 45℃, 2 represents 55℃, 3 represents 65℃) 4. Long press the power button for about 1-2 seconds, the host enters the shutdown state. . Package List: 1 x Host1 x USB charging cable2 x Wormwood bag