★【Widely Compatible】: The number pad includes commonly used shortcuts, widely compatible with your computer or laptop,Windows, Android, iMac, MacBook Pro, MacBook Air, MacBook, Surface Pro, Tablet PC Desktop laptop, etc.NO delays and dropouts, provides you a fast and stable wireless technology lifestyle.( 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). | ★【Built-in High-Capacity Rechargeable and safe lithium polymer battery】The number keypad built-in high-capacity lithium batteries with 500mAh, It can work up to 260 hours without backlighting when fully charged. (One Tapy-C charging cable will come with the keypad).Auto sleep function: The Bluetooth numeric keyboard will automatically enter sleep mode after 40 minutes of inactivity to save power and energy. Press any key can wake up the keypad within 3 seconds. | ★【Backlit Bluetooth Numeric Keypad】: Backlit keys for any lighting environment, the Bluetooth Numeric Keypad with 7 colors and 3 levels of brightness allow you to type day or night. The backlit shortcut keys (“ Esc ” + the arrow keys) allow you to manually adjust the color and brightness of the keys. | ★【Slim Aluminum Design & Ergonomic Tilt】:The Wireless Number Pad is made of solid and premium aluminum materials for long-lasting use. The ergonomic tilt ,comfortable typing precise control, good resilience fast response for comfortable typing and good look, slim style appearance ,only 0.27lb(126g), 5.7*4.5*0.35 inch. Perfectly matches your Macbook Air / Pro, iMac, PC, surface pro, laptop or desktop as the side external numeric keypad. | ★【100% Quality Guaranteed】：Your satisfaction is our greatest happiness! We will provide you with 24 months of free exchange guarantee and lifelong technical support services If you need help, don't hesitate to contact us immediately. We will provide 7X24 hours of communication service.