Product Nominal voltage: 9VNominal power: 10WCharging time: 3.5 hoursUse time: 120 minutesBattery: 3.7 V, 800 mAFunction: 6-speed heating, 6-speed suctionColor: goldenQuantity: 1setPackage content: 1set * Gua Sha instrument1. By quickly accessing the button controls on the control panel, you can instantly turn on and off, set the temperature and suction strength through user-friendly operations.2. Innovative dynamic magnetic wave technology, soothe the suction, keep warm and scrape. You can freely change the level according to your needs.3. Two different LED light colors, clear and convenient display of working status, real-time monitoring, ergonomic handle, even if used for a long time, it can maintain a safe and energy-saving grip comfort.4. Do not stay in the same place for more than 1 minute. If you feel uncomfortable, please stop using it.