Features: 1.Watch appearance and Electronic acupuncture; 2.Automatic work and easy to operate; 3.Improve sleep quallity; 4.Unique designed biosensor for automatically detects snoring; 5. Stimulation does not disturb or wake the user from normal sleep 6.Wristband designed for maximum comfort and convenience 7. Power-saving function: automatically powers off after 8 hours of use 8.Help the user change his sleeping position without waking up 9.Comfortable to wear and good quality 10.Both the wearer and the roommate can enjoy a silent night and good sleep Notice: Actual item may have logo or function-related words on the product Actual color may be slightly different from the image due to different monitor and light effect Please allow 1-3cm deviation due to manual measurement Specification: Material:ABS Serving Time: 8 hours(automatic off) Power supply: Need 1 Pcs AAA batteries(Not included) Size:4x5.8x1.3cm includes: 1x Anti-Snoring Wristband