Widely Compatibility: This numeric keypad supports Bluetooth connectivity and can be connected to mobile phones, tablets, laptops, and Bluetooth-enabled desktop computers 36-key multi-function keys: This numeric keypad has numeric keys, arrow keys, parentheses, and computer-related shortcuts. At the same time, it supports one-click opening of the calculator and one-click opening of the Excel table (= cannot be entered directly on the tablet) Bluetooth Number Pad Rechargeable: This Bluetooth numeric keypad has a built-in rechargeable battery, type-c charging, (the product comes with a charging cable) The keyboard will flash a red light when the battery is low, so you can say goodbye to battery anxiety Soft key feel: The numeric keypad adopts a scissor shaft design, the keys feel soft, and a comfortable key experience will reduce the damage caused by your fingers caused by long-term office typing Dual Bluetooth channels: The numeric keypad has 2 Bluetooth channels, which can be connected to two devices separately, FN Bluetooth 1 channel or FN Bluetooth 2 channel to complete the switching (connecting a device for the first time, or connecting a new device, you need to press and hold the fn Bluetooth key for three to five seconds) Ergonomic design: When the numeric keypad is placed on the desktop, the front is higher and the back is lower, forming a beveled surface, which is more convenient for you to tap the keycaps and relieve the fatigue of the wrist after working for a long time Key No.:36 Keyboard size: 150*120*12MM net weight ：250g Packing: white box Battery: 230mAH LI-ION Material: Plastic System surporting ：Windows XP / 7 / 8, Mac OS X and latest systemMain Features: -Slim design: number pad is constructed of solid and premium materials, the ergonomic tilt for comfortable typing and good look, slim style appearance, perfectly matches your Macbook, MacBook Air / Pro, iMac, PC, surface pro, laptop or desktop as the side external numeric keypad. -wireless connection: this technology provides a cable-free & clutter-free connection, the external 36-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 】 -Rechargeable battery: built-in 230mAh lithium battery. The wireless numeric keypad is easily recharged through USB cable. The wireless keypad also has the auto sleep function, lower power consumption. -Widely compatible: This wireless number pad includes shortcut keys and low profile quiet scissor-switch keys. Compatible with Windows, Android, iMac, MacBook Pro, MacBook Air, MacBook, Surface Pro, Tablet PC Desktop laptop, etc.