Slim Light Wireless Bluetooth Keyboard for Android IOS WIN Black Features: 1. all metal back shell. 2. Brushed metal texture anti-skid keyboard for elegant feeling. 3. Portable and ultra-slim, convenient for you to take it with you when travelling or on business trip. 4. Compatible for smart phone, pad, laptop and desktop. 5. Adopt Broadcom Bluetooth 3.0 with stable performance. 6. With outfit designed for IOS Tablet, this product is designed for Windows, for Android and IOS. Press Fn+Android, Fn+Windows or Fn+IOS to switch system modes. 7. Light weight and quiet key typing, waterproof and dust-proof. 8. Scissor keyboard, fast typing with excellent hand feeling. 9. Micro display screen, convenient charging. 10. Adopt power saving sleep mode keyboard. Specifications: Operating Distance: 10 m System: For Windows, for Android and for IOS Operating Voltage: 3-5 V Operating Current: <2 mA Standby Current: 0.3-0.5 mA Sleep Mode Current: <25 UA Charging Current: 100 mA Charging Time: 4 Hours Constant Working Time: 40 Hours Standby Time: 60 Days Lithium Battery Service Life Time: 3 Years Keyboard Service Life Time: About 5 Million Times Operating Temperature: -10-55℃ Color: Black Size: Approx. 20*12.5*0.5 cm/7.87*4.92*0.2 in Use Tutorial: 1. Switch on the button on the down right side of the Bluetooth keyboard, keyboard start when blue light lights on. 2. Open the service, operate Setup-Turn on wireless and network-Turn on Bluetooth-Search for nearby devices-Match with Keyboard Bluetooth. 3. Device screen display Bluetooth Match Application, input Bluetooth password XXXX to match. Input the number on the screen on Bluetooth keyboard and hit Enter button. Package List: 1 * Bluetooth  Keyboard Note:Please note that the new type and old type of this product will be sent randomly, and make sure you will not mind before ordering.