Features: SLIM ALUMINUM DESIGN: The Bluetooth number pad is constructed of solid and premium aluminum materials for long-lasting use, the ergonomic tilt for comfortable typing and good look, slim style appearance ( Only 0.46lb, 5.7*4.4*0.47 inch ), perfectly matches your Macbook, MacBook Air / Pro, iMac, PC, surface pro, laptop or desktop as the side external numeric keypad. BLUETOOTH 3.0 CONNECTION: Bluetooth 3.0 technology provides a cable-free & clutter-free connection, the external 34-keys full keypad extends your existing keyboard, operating distance 10m. ---NOTE: For Laptop Desktop PC without Bluetooth function, you need to use third-party Bluetooth adapter (not included) before use --- HIGH-CAPACITY RECHARGEABLE BATTERY: Built-in 160mAh lithium rechargeable battery. The Bluetooth numeric keypad is easily recharged through the included USB cable, no need to change the battery and user- friendly. The Bluetooth wireless keypad also has the auto sleep function, lower power consumption, reflect energy saving and humanization of the product. Press any key can wake up the keypad within 3 seconds. WIDELY COMPATIBLE: This Bluetooth wireless number pad it includes shortcut keys and low profile quiet scissor-switch keys so you can work comfortably on your computer or laptop. Compatible with Windows, Android, iMac, MacBook Pro, MacBook Air, MacBook, Surface Pro, Tablet PC Desktop laptop, etc.--- NOTE: The 10-key is NOT compatible with ChromeBook. And the "page up", "page down", "search", "screenshot" and "ins" key won't work with Mac OS, but other keys and number keys work well --- Bluetooth 3.0 Wireless Connection: With wireless Bluetooth connectivity Technology, it works almost anywhere with no dongle or transceiver to lose from the coffee shop to the park bench. After first use, the keypad will auto connected every time you when you turn on keypad bluetooth again. LED Indicator Light: The led light shows red when charging and turns off after charged fully. When start pairing, the light will be flashing blue and stops after pairing successful. Powerful Functional Keys: This Bluetooth keypad has 34-keys with multiple useful shortcuts which can meet all you need of a number keyboard! System Compatibility: (1) Mac OS 10.0 above, IOS 9.2 and above, compatible with iMac, Macbook, Macbook Air/Pro. (2) Windows 2000/XP/Vista/7/8/10, Android system ( Please make sure your device with bluetooth enabled ) NOTE:1. Due to MAC OS is special system, the "page up", "page down", "search", "screenshot", and "ins" key won't work with Mac. 2. Calculator key need to manually open the calculator program on iMac and MacBook ,then input the number on keypad to run the calculatfunction. Aluminum Bluetooth Number Keypad: This Aluminum Bluetooth number pad features solid aluminum coating and ergonomic tilt design, compact Apple-style pad perfectly match your apple magic keyboard and bluetooth devices. Bluetooth 3.0 Wireless Connection: With wireless Bluetooth connectivity Technology, it works almost anywhere with no dongle or transceiver to lose from the coffee shop to the park bench. After first use, the keypad will auto connected every time you when you turn on keypad bluetooth again. Rechargeable Wireless Number Pad: It is easily recharged through included USB cable, no need to change the battery. The battery can last around 2 weeks on a single full charge of 1-2 hours. ( Included charging cable ) Friendly Tips for Calculator Key: (1) In the Mac OS system, firstly manually open the calculator program on iMac or MacBook, then input the number on the keypad to run the calculator function. (2)In Windows system, directly press calculator key to run the calculator function. Aluminum Luxury Bluetooth Number Keypad: Are you still worried about using the traditional large keyboard to process data? Or are you still worried that your laptop doesn't have a numeric keypad? Wireless Bluetooth numeric keypad It's made for you! The compact and stylish design allows you to take it anywhere. Take it out of your pocket or backpack, and you can better get work done on your tablet or laptop.