16pcs Self Adhesive Caster Wheels Heavy Duty Stick On Wheels Mini Wheels Small N black/whiteUse time: >50 minutesBattery: Built-in

black/whiteUse time: >50 minutesBattery: Built-in lithium polymer 320mAhMaterial: ABS

This will protect your furniture from dust  moisture  sandstorms  and other harmful substances

and you can use it while charging

NOTE: For Laptop Desktop PC without Bluetooth function

Excellent Quality

16pcs Self Adhesive Caster Wheels Heavy Duty Stick On Wheels Mini Wheels Small N black/whiteUse time: >50 minutesBattery: Built-in16pcs Self Adhesive Caster Wheels Heavy Duty Stick On Wheels Mini Wheels Small N How to use: First, clean the surface to be pasted, then carefully tear off the protective film, third paste on the place where you want to, and press it several times, finally install the others caster same as step as first one, please use it after 24 hours. Limited load: The maximum load of wheels caster is about 8 kg, suitable for most of DIY demands, electric air