Features:
It can detect the snoring from the wearer. 
It will deliver gentle pulses and make the wearer stop snoring.
Help the user change his sleeping position without waking up.
Easy to use and just wear it on the wrist.
The wristband is made of elastic material, adjusting for different sizes.
Comfortable to wear and good quality. 
Both the wearer and the roommate can enjoy a silent night and good sleep. 
No More complaint from room-mate, husband and wife, Sleep silently.

Shell craft：ABS

Specifications:
Power Supply: 3V CR2032 lithium battery (Not included)
Color: Blue
Item Size: 40 * 58 * 14mm
Wristband Lenght: 24cm
Item Weight: 22g

Not include the battery