Material: ABS Size: 10 * 18cm Charging for 2 hours, can be used 12 to 15 times, each time for 15 minutes The V-shaped angle can be adjusted from 26 to 75 degrees, and 5 function modes can be adjusted from 1st to 8th gear 1. Automatic massage mode 2. Kneading mode 3. Massage mode 4. Acupuncture and moxibustion mode 5. Hammer mode Smart & Widely Applicable -- Ergonomic design, perfectly fits the contour of the face, the foldable ring shape meets all face shapes, and the length of the headband is adjustable. This instrument uses different intensities of red and blue alternately to make the skin glow and effectively improve facial lines and double chin.NOTE: Cannot be used with metallic substancessuch as metal dental implants *Easy to Use and Carry -- You Can Adjust the Intensity According to Your Needs, Just Wear It for 5 Minutes While Reading, Sleeping, Watching Tv or Doing Housework. Small and light, It is suitable for use in offices, homes, and travel, and is convenient for facial massage anytime, anywhere.The remote control of the product cannot be used normally, and the battery needs to be replaced. Long press the switch key to set the default automatic mode of operation (the automatic mode is the automatic switch every 10 seconds of the massage kneading acupuncture and moxibustion hammering mode), short press the switch key to switch between the automatic mode massage kneading acupuncture and moxibustion hammering, and switch to the next mode is the default force level 1. Short press the plus or minus key to adjust the force to switch between levels 1-8. Perfect Improvement -- Improve double chin and prevent sagging cheeks. The V-belt makes the surface smaller and smoother.It takes 4-5 weeks to see noticeable results.NOTE: When the product is not working, the product needs to be charged. The battery of the remote control can be replaced when the remote control is not working. and contact us in time.