Applicable system: The keyboard size is specially designed for Surface Pro. The keyboard supports all Windows systems. You can also use this keyboard to pair with other electronic devices with Bluetooth and Windows systems, but note that the magnetic attachment is only compatible with Surface Pro; it will not attach magnetically to other devices. Make Surface Pro3/Surface Pro4/Surface Pro5/Surface Pro6/Surface Pro7 function like a laptop: The keyboard attaches physically to Surface Pro via magnetic connection and pairs through Bluetooth. After Bluetooth pairing, use mechanical keys and touchpad just like on a laptop. (This keyboard does not fit Surface Go.) Slim and compact design delivers performance similar to a traditional full-size keyboard. Features functional media keys and an integrated touchpad: Easily control your Surface Pro with convenient hotkeys and responsive touchpad navigation. Keyboard includes 7-color backlighting with night light effect. Charges in approximately 2 hours and provides up to 95 hours of continuous use. Product Name: Wireless Keyboard / Bluetooth Keyboard. Compatible models: Surface Pro3, Surface Pro4, Surface Pro5, Surface Pro6, Surface Pro7. Usage instructions: 1. Turn on the Bluetooth keyboard by switching the power switch in the lower right corner from OFF to ON. The keyboard powers on and the blue indicator light turns on after 3 seconds. 2. Press the [Link] or [Connect] button next to the switch; the blue light stays on and the Bluetooth indicator begins flashing. 3. Turn on your tablet and go to Settings > Network & Wireless > Bluetooth, turn on Bluetooth and search for nearby devices. Select the Bluetooth name of the keyboard case (Bluetooth keyboard) and initiate pairing. 4. When the tablet displays "Bluetooth pairing request" and prompts for a passcode (xxxx), enter the code shown on the screen using the keyboard and press Enter. Once confirmed, the connection is successful. Bluetooth Keyboard features: Mechanical keys and extra-large trackpad enhance typing, navigation, and control on your Surface Pro. Bluetooth technology uses American Broadcom solution. Build quality: ABS chocolate-style keycaps with PU leather finish for a premium look and feel. Functional features: Fn combination multimedia keys. Keyboard features: 7-color RGB backlighting with night light effect. Applicable system: Designed specifically for Surface Pro3/Pro4/Pro5/Pro6/Pro7. Supports all Windows operating systems for versatile use. Compatible protocols: Bluetooth 3.0, 4.0, 1.1. Charging interface: USB port for charging. Battery capacity: 450mAh. Operating temperature range: -10°C to +55°C. Charging time: 2-3 hours. Usage time: Up to 95 hours. Standby time: Up to 60 days. Keystroke lifespan: 500 million keystrokes. Bluetooth effective range: Up to 10 meters. Color: Black. Material: PU + ABS. Dimensions: 29.5 x 22 x 0.5 cm. Package Contents: 1 x Wireless Bluetooth Keyboard with Touchpad, 1 x USB Charging Cable, 1 x User Manual. Note: The package includes only the items listed above. Other accessories or devices shown are not included. Note: Lighting and display differences may cause slight variations in color between the image and the actual product. Measurement tolerances may vary by +/- 1-3 cm.