The battery is a 200Mah polymer battery

Make up effect lasts long and natural

The device does not affect the wheel set of installation

or complicated suction cups

Knit Warm Beanie Hat Color:Dark Green The battery is a 200MahGo with this hat and you can enjoy your favorite activity better in winter like hiking, cycling, skiing, hunting, etc FEATURES: Thermal Insulation Lining Design Well made Knit hat, material thickened design, perfect for outdoor and indoor activities: hiking, cycling, skiing, hunting, etc. Made of soft acrylic fabric keep you warm and comfortable. Advanced Weaving Technology Introducing advanced weaving technology that knitted and the stitching is