Product name: smart sleep mask
Item model number: SM-888
Material: ABS plastic + polyester lycra eye mask
Colour: Black
Eye mask size: 235*92mm
Host size: 56*36mm
Charging interface: standard V8 interface
Sleep mask helps you relieve fatigue and stress and help you fall asleep easily
The elastic head buckle can be adjusted for different head circumferences, so don't worry about not being able to wear
USB charging interface High-energy battery Long-lasting battery life
One-key button switch, mode operation is simple and convenient
Massage Principle: Vibration
Power supply: USB
