Note: battery not included 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. Utilizes the body///'s natural biofeedback mechanism by stimulating the nerves in the wrist area 6. Nerve stimulation trains the user to reflexively reduce snore frequency and volumeUsers experience no harmful side-effects, non-invasive method 7. Stimulation does not disturb or wake the user from normal sleep 8. Wristband designed for maximum comfort and convenience 9. Power-saving function: automatically powers off after 8 hours of use 10.Help the user change his sleeping position without waking up 11. Comfortable to wear and good quality 12. Both the wearer and the roommate can enjoy a silent night and good sleep Specifications: 1. Output intensity: 180uA 2. Main output form: 0.2 HZ fixed 3. The output waveform: fixed number of square wave wave output 4. Serving Time: 8 hours(automatic off) 5. Power supply: 1.5V AAA batteries(Not included) 6. Operating environment: 10C-+40C 30~85%RH 7. Preserve environment: -20C~+50C 10~95%RH 8. Transmission environment: -10C~+50C 30~85%RH 9. Available color: Black 10. Item weight: 46g Package: 1 x Snore Stopper 1 x English Manual 1 x Screw Driver This item comes without retail box or battery.