3000mAh 8" Electric Vacuum Suction Cup Heavy Duty Lifter for Granite Glass Tile. Wireless: WiFi 2.4G/5G. Power Indicator (LED): Power ON: blue; Standby: Red. OS: Android 12.0. Mouse/ Keyboard: Support mouse and keyboard via USB;Support 2.4GHz wireless mouse and keyboard via 2.4GHz USB dongle.