SLIM and Compact Keyboard With Numeric Keypad. Wireless keyboard has all keys in scissor-cross low profile structure;which makes it ulra-slim(keystroke travel 2mm),responsive and less noise. And you can use the Numeric Keypad for quick typing and data entry, No troubles with typing Numeric. Stable Connection&Easy To Install. The wireless keyboard adapts newest wireless solution chipset PAW 3212 which is more stable data transmit and anti-interferance in 33 feet long range. Grey keyboard Only need a USB receiver to connect for using, No need to download drivers Convenient and Fast Operation-Instant access your music,internet,e-mail,volume,etc by multi-media hot keys. Compatible with W7/8/10/XP. It works great for desktop, laptop and other devices. ? The hot-keys not fully compatible with Mac System ? Long Battery Life. The compact keyboard come into sleep in 8 minutes if no typing, it can work more than 90 days (normal usage per day) . 2PCS AA alkaline batteries NOT INCLUDED in package. Care-free after-sales service. Kindly notice that the wireless keyboard have 12 month after-sales service. If have any question, free to contact us first. We will try our best to provide satisfactory service