This slim wireless keypad features solid aluminum coating and ergonomic tilt design.Using space aluminum material, which is more lightweight and durable and slim.The keypad has 34-keys with shortcuts key for extending your existing keyboard, it makes date entering more fast and accurate.It is built-in rechargeable lithium battery for extra long stand-by, extents up to 30 days& 39; stand-by when fully charged.Widely compatible with Bluetooth-enabled for Windows/Android system laptop, PC, tablet, etc.Type: Wireless KeyboardMaterial: Aluminum Alloy + ABSConnection: bluetooth-compatible 3.0Operation Distance: about 10mWorking Current/Voltage: 2mA/3.7VPower Supply: Build-in 302323 110mAh Lithium Battery (Included)Number of Keys: 34 KeysSupports: for iOS System, for Android System, for Windows SystemFeatures: Wireless, Portable, Mini Keypad, 34 Keys, bluetooth-compatible 3.0 ConnectionSize: 11.4cm x 14.6cm/4.49" x 5.75" (Approx.)Notes:Due to the light and screen setting difference, the item& 39;s color may be slightly different from the pictures.Please allow slight dimension difference due to different manual measurement.Package Includes:1 x Wireless Keyboard1 x Data Cable1 x User Manual (Others Not Included)