Specifications: 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' stand-by when fully charged. Widely compatible with Bluetooth-enabled for Windows/Android system laptop, PC, tablet, etc. Type: Wireless Keyboard Material: Aluminum Alloy + ABS Connection: bluetooth-compatible 3.0 Operation Distance: about 10m Working Current/Voltage: 2mA/3.7V Power Supply: Build-in 302323 110mAh Lithium Battery (Included) Number of Keys: 34 Keys Supports: for iOS System, for Android System, for Windows System Features: Wireless, Portable, Mini Keypad, 34 Keys, bluetooth-compatible 3.0 Connection Size: 11.4cm x 14.6cm/4.49" x 5.75" (Approx.) Notes: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Package Includes: 1 x Wireless Keyboard 1 x Data Cable 1 x User Manual (Others Not Included) 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 stand-by when fully charged. Widely compatible with Bluetooth-enabled for Windows/Android system laptop, PC, tablet, etc.