How to Use: Move power switch to "ON" position Power LED Flashes when "ON" Front LED will flash at 0.5 seconds to let you know product is ready When the Sensor-Light head comes in contact with your skin, the unit will activate and remove hair as long as the head is against your skin The unit will go to "sleep," automatically deactivate, 6 seconds after you remove the Sensor-Light head from your skin The unit will reactivate when reapplied to skin Upon completing the hair removal, simply move the power switch to OFF to shut down the unit FEATUERS: It is a elegant Pain Free Hair Remover that uses advanced Sensa-Light technology. Its ideal for woman of all ages. Get those soft smooth legs you always wanted. Get rid of facial hair without painful plucking, making laser treatment appointments or waxing. Made just for women to feel clean and sexy all over. Safe and gentle on the most sensitive skin safe to the touch Lithium lon Rechargeable No more painful or smelly hair removal methods No more nicks, cuts, bumps or burns Dermatologist recommended Use anywhere theres unwanted hair - safe on all skin types and colorsSize:12 * 5 * 1.5cm (approx.) note: Limited charge voltage: 4.2V 1. After charging the device, press the purple button to use it. 2. When replacing the blade, continue to press the small white button on the head,give the head a force of 90 degrees. Package Includes: Rechargable Finishing Touch Hair Remover USB Charger Cord (Plug Not Included) Foil Head Cleaning Brush Instruction Manual Products from NIUNIU's store