Specifications: Small and ultra-slim, lightweight and portable to carry. Bluetooth connection, stable and fast connection within the distance of 10m, easy to use. Widely compatible with for iOS/Android/Windows system. Instructions (Use for iPad for Reference): Turn on the power switch, the power indicator light is on. Short press "Connect" (pairing button), the bluetooth-compatible pairing light flashes quickly, and the bluetooth-compatible keyboard is in the connection. Open the for iPad and click the "Settings" icon. On the "Settings" button, click the "General" item, enter the bluetooth-compatible settings, click "Bluetooth" to open the connection, for iPad will automatically search for available bluetooth-compatible devices. Discover the bluetooth-compatible keyboard, click "Connect". Type the password displayed on the screen via the bluetooth-compatible keyboard. The keyboard connection is successful, the code indicator is off, and the power indicator will be on until the power is off. Type: bluetooth-compatible Keyboard Material: ABS Bluetooth: 3.0+HS Wireless Distance: 10m Modulation Method: 2.4GHz Working Voltage: 3.0-5V Working Current: <4.0MA Standby Current: 20UA Sleep Current: <2μA Charging Current ≥100mA Standby Timel: 100 Days Battery: Built-in Rechargeable Battery (Included) Button Life: Reach 5 Million Times Operating Temperature: -10-55 Celsius Degree Humidity: 20% - 50% Support System: for Android, for iOS, for Windows Features: Wireless, Portable, Slim, Easy to Use Size Details 7inch: 20cm x 12.5cm x 0.6cm/7.87" x 4.92" x 0.24" (Approx.) 10inch: 24.6cm x 14.8cm x 0.6cm/9.69" x 5.83" x 0.24" (Approx.) Notes: Due to the light and screen setting difference, the color of item may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Package Includes: 1 x bluetooth-compatible Keyboard 1 x Charging Cable