Feature:1. , metal back cover. 2. The non-slip brushed metal keyboard provides an elegant feel. 3. Portable and very thin, convenient to take with you when traveling or on a business trip. 4. Compatible with smartphone, pad, laptop and desktop computer. 5. Adopt Broadcom Bluetooth 3.0 with stable performance. . Slim Lightweight Wireless Bluetooth Keyboard Specification:Features: 1. , metal back cover. 2. The non-slip brushed metal keyboard provides an elegant feel. 3. Portable and very thin, convenient to take with you when traveling or on a business trip. 4. Compatible with smartphone, pad, laptop and desktop computer. 5. Adopt Broadcom Bluetooth 3.0 with stable performance. 6. This product is designed for IOS tablet and is designed for Windows, Android, and IOS. Press Fn Android, Fn Windows, or Fn IOS to switch system modes. 7. Lightweight and quiet typing on the keyboard, waterproof and dustproof. 8. Scissor keyboard, fast typing with excellent hand feel. 9. Micro-display screen, convenient charging. 10. Adopt energy-saving sleep mode keyboard. Technical data: Working distance: 10 m System: for Windows, Android and IOS Operating Voltage: 3-5 V Operating current: Standby Current: 0,3-0,5 mA Current Sleep Mode: Charging Current: 100 mA Charging time: 4 hours Fixed working time: 40 hours Standby time: 60 days Lithium battery life: 3 years Keyboard life: about 5 million times Operating temperature: -10-55 Black color Size: approx. 20 x 12.5 x cm /7.87 x 4.92 x 0.2inch Use the tutorial: 1. Turn on the button at the bottom right of the Bluetooth keyboard, the keyboard will start when the blue light turns on. 2. Open the service, support Setup-Enable wireless and networking-Enable Bluetooth-Search nearby devices-Fit to Bluetooth keyboard. 3. On your device screen, view the Bluetooth Match app, enter the Bluetooth XXXX password to match. Enter the number on the screen on your Bluetooth keyboard and press Enter. List of packages: 1 x Bluetooth Keyboard . Slim Lightweight Wireless Bluetooth Keyboard Note: 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.