Smart Sleep Goggles Sleep Aid Charging Pulse Sleeper

Specification:
Product name: Smart sleeping eye mask
Product model: Sm-888
Working voltage: 3.7v
Charging time: About 2h
Material: Abs plastic + polyester lycra eye mask
Colour: Black
Eye mask size: 235x92mm
Charging interface: Standard v8 interface
Host size: 56x36mm