Aluminium Alloy 28 Keys Bluetooth Numeric Keyboard Portable Keypad with USB Hub Splitter for iPad for Phone|KeyboardsHIGHLIGHTS: [ Aluminum alloy ] - The product is made of high quality aluminum alloy and ABS material, which is beautiful and hand feels is good. [ Full-sized 28-key with Numlock, Delete, Tab & More ] - Use the wireless keypad with 28 function keys including backspace, home, end, tab and more to assist in accounting tasks, excel spreadsheets, and more to expand your existing keyboard.[ Compatibility ] - Widely Compatible with Cellphone Tablet PC laptop Desktop with Android Windows 2000/ Me/ 98/ XP /Vista/ 7/ 8/10 system. NOTE: [This number pad is NOT completely compatible with for OS system and for Apple iOS system, Calculator Key and Functional Keys(home, end, Pgup, PgDn and arrows) can not work but other number and symbol keys including ESC, Tab work well.[ Bluetooth 3.0 connection ] - Bluetooth 3.0 technology provides a cable-free & clutter-free connection, operating distance 10m. NOTE: [For Desktop PC Laptop without bluetooth function, you need to use third-party bluetooth adapter (not included) before use][ Advanced Scissor Switch ] - This Scissor-Switch keyboard provides you with very comfortable and pleasing typing experience.[ N970 with USB3.0 HUB ] - In addition to being used as a numeric keypad, it can also be used as a HUB. The two expansion interfaces are USB3.0, which transmits 5Gbps per second and is compatible with a variety of devices.SPECIFICATIONBluetooth: Bluetooth 3.0Compatible system: Android Windows 2000/ Me/ 98/ XP /Vista/ 7/ 8/10Dimension: 121 x 100 x 12.5mmKeys Tech: Scissor-Switch,typing easilyNumber of Keys: 28 keysSwitch:Scissor SwitchBattery Required:140mAh lithium batteryBluetooth work distant:10mColor: black + silver grayMaterial: aluminum alloyPackage Contents:1 * Bluetooth Numeric KeyboardOnly the above package content, other products are not included.Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.