Model Number: WP2277 0918-#8720 Brand Name: vetac Key Specifications/Special Features: .Wirelesskeyboard+ wirelessmouse+ wireless presenter combo.Multi-media remote control, such as volume +/-, mute, power off and go to IE, play games.Can be used for PC, tablet, smart TV and set box, KTV and more.USB plug and play .no drive required.wireless presenter, page up, page down, good for PowerPoint presentation.Shortcut keys to email, mute, home, zome in or out, IE, mouse left or right.Compatible for Android, Windows, Mac OS, Linux.Wireless: 2.4Ghz.Power: built-in 150mAh lithium battery.Warranty: 1 year