Alcatroz JellyBean Num A3 Bluetooth and Wireless Numpad

20 Round Keycap Design. The scientific and reasonable key layout 2.4g Wireless & Bluetooth Full compatible with notebook, dekstop, windows can be compatible and appliable. Splashproof Design Protect your numberpad from splash water. Bluetooth Mode Num + 2 1x - Switch to Bluetooth Mode 5s - Re-pair or connect new Bluetooth device 2.4g Mode Num + 3 1x - Switch to 2.4G Mode 5s - Connect to device via wireless receiver Plug receiver into an available USB port) Specifications: Bluetooth Connection Wireless 2.4G 20 Round Keycap Design Splash Proof Design Work With Windows Compact Key Layout Light and Portable