Do keyboard Surface Pro Type Cover Portable 7-color keyboard with USB C backlight, rechargeable, black wireless keyboard BT with touchpad . KEYBOARD TYPE COVER DO MICROSOFT SURFACE PRO 3 Feature: 1. Suitable devices: The keyboard is designed for Microsoft Surface Pro 7 Plus (2021),for Surface Pro 7 (2019),for Surface Pro 6 (2018),for Surface Pro 5. generation (2017), for Surface Pro 4, for Surface Pro 3 Tablets 12,3 inch 2. Magnetic connection: wireless keyboard connects to Surface Pro magnetically like a laptop, via BT, with built-in trackpad 3. 7-color LED backlight: The BT keyboard with touchpad has 7-color LED backlight. Keyboard automatically turns on and off when turned on and off 4. BT Wireless Keyboard: The BT keyboard uses BT wireless technology with a signal range of do 10 meters. With separate keys and scissor type, each key can keep 5 million keystrokes 5. Charging C: The charging cable connects via the charging cable C. The built-in 350 mAh battery allows you to continue using for 35 hours after a full charge lasting 2 hours. 15 minutes of non-use automatically goes into sleep mode, activated by pressing any key for 5 seconds . KEYBOARD TYPE COVER DO MICROSOFT SURFACE PRO 3 Specifications: Item Type: For Keyboard Surface Pro Type Cover Product Material: ABS, PU Battery Model: 402030 Lithium-Ion Battery (Built-in) Battery Capacity: 450 Mah Black color Subject: Keyboard size specially designed for Microsoft Surface Pro3,for Microsoft Surface Pro4,for Microsoft Surface Pro5,for Microsoft Surface Pro6,for Microsoft Surface Pro7,for Microsoft Surface 7 Plus Special design,Keyboard support for Full for Win system, can be used in many ways Support protocol: BT 3.0 or 4.0 or 1.1 Wireless distance: about 10 meters or 10,9 yard Charging interface: USB C Functional Functions: Fn Combination of Multimedia Functions Features: Chocolate key core with PU leather, ergonomic shape, simple and compact layout, silent writing function . KEYBOARD TYPE COVER DO MICROSOFT SURFACE PRO 3 Package list:1 x for keyboard Surface Pro Type 1 x Power Cable 1 x User Manual . KEYBOARD TYPE COVER DO MICROSOFT SURFACE PRO 3