Electronic Facial Guasha Machine Heating Vibration 12 Levels Meridian Massage Portable LED Screen Sculpting Tool Item Type: Electronic Facial Guasha Machine Material: ABS Battery Type: Lithium ion battery Battery Capacity: 680mAh (shipped with built in battery) Rated Voltage: 3.7V Thermal Temperature: 42°C Suitable Parts: Head, neck, back (thoracic vertebrae, lumbar vertebrae, sacral vertebrae), chest and abdomen, upper limbs, lower limbs The effect of the 12 levels vibration: Levels 1-4: Relax muscles and skin Levels 5-8: Massage the human body acupuncture points Levels 9-12: Deep massage to decompress How e: This machine is a rechargeable model, the red indicator LED is always on when charging, and the blue indicator LED is always on when it is full. Please do not turn on the machine while charging. The machine uses 20 minutes timing design, 20 minutes after the automatic shutdown. 1. Long press the power button to turn on the machine, the LCD screen shows a countdown of 20S. 2. This machine has 3 modes: Heating mode: LCD display shows 1, the bottom red LED is on, the red indicator LED is on. Vibration mode: LCD display shows 2, the bottom red LED off, blue indicator LED on. Vibration heating mode: LCD display shows 3, the bottom red LED on, red and blue indicator lights at the same time. The heating mode is turned on by default, the temperature is 1 level by default, and the vibration is 0 level by default. Short press the mode key "M" to switch modes in turn, short press the "+", "-" adjustment keys to adjust the temperature and vibration level, a total of 12 levels adjustable. Note: After switching mode, the level automatically converts to 1.3 level. Long press the power button to turn off the power, the LED light goes out.