ltem description from the seller
Wireless Property:wireless
Battery Properties:Rechargeable Battery
Rechargeable Battery:Lithium Battery-Polymer
Special Features:Portable
Movement Detection:Optical
Compatible Device:Tablet
Major Material:Other Plastic
Battery Capacity (mAh):550
Product Charging Port:Type-C Port Charging
Does It Support Coordinated Fast Charging?:No
Does It Include A Charger?:No
Maximum Rated Power:3W
Minimum Rated Power:0.03W