Features:_x000D_ 1. Brand new high quality all metal back shell._x000D_ 2. Brushed metal texture anti-skid keyboard for elegant feeling._x000D_ 3. Portable and ultra-slim, convenient for you to take it with you when travelling or on business trip._x000D_ 4. Compatible for smart phone, pad, laptop and desktop._x000D_ 5. Adopt Broadcom Bluetooth 3.0 with stable performance._x000D_ 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._x000D_ 7. Light weight and quiet key typing, waterproof and dust-proof._x000D_ 8. Scissor keyboard, fast typing with excellent hand feeling._x000D_ 9. Micro display screen, convenient charging._x000D_ 10. Adopt power saving sleep mode keyboard._x000D_ _x000D_ Specifications:_x000D_ Operating Distance: 10 m_x000D_ System: For Windows, for Android and for IOS_x000D_ Operating Voltage: 3-5 V_x000D_ Operating Current: