Description: 28 Key -- Use the wireless keypad with 28 function keys including backspace, home, end, tab and more to assist in accounting tasks, excel spreadsheets, and more to expand your existing keyboard. Comfortable Design -- This numeric keypad produces low noise, comfortable Press feeling with a solid and durable structure; The human design and the half height buttons also help prevent wrist problems. Rubber Pads on back provide comfort and securely keep the keypad in place. Easy to Use -- This Scissor switch keyboard provides you with very comfortable and pleasing typing experience. Bluetooth Number Pad -- Bluetooth 5.0 technology provides a cable free & clutter free connection, operating distance 10m. NOTE: [For Desktop PC Laptop without bluetooth function, you need to use third party bluetooth adapter (not included) before use] Widely Compatibility -- Compatible with Cellphone Tablet PC laptop Desktop with Android Windows 2000/ Me/ 98/ XP /Vista/ 7/ 8/10 system. NOTE: [This number pad is NOT completely compatible with OS system and iOS system, Calculator Key and Functional Keys(home, end, Pgup, PgDn and arrows) can not work but other number and symbol keys including ESC, Tab work well.] Specification: Material:ABS Need Two AAA batteries (Not include) Package Includes: 1x Numeric Keypad (Battey not include) Note: 1.Please allow 1~3 cm error due to manual measurement, thanks. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item. Please understand, thank you.