Specifications: This integrated keyboard with a faux leather case is portable and practical. With a stand function, it is convenient for you to place your phones or tablets. It is suitable for mobile phones with a 4.5-6.8inch screen (or mobile phones with a width of 6-9.5cm). All for Android or for compatible with Apple mobile phones with bluetooth-compatible function are available. Instructions for use: Step 1: Turn on the ON/OFF button. Step 2: Press the CONNECT button frequently, and the indicator of the bluetooth-compatible logo will flash. Step 3: At this time, turn on the bluetooth-compatible switch of the mobile phone and search for the bluetooth-compatible device. The default name of the keyboard case is bluetooth-compatible 3.0 Keyboard. Step 4: Click on bluetooth-compatible 3.0 Keyboard on the tablet or mobile phone. There will be a password of four Arabic digits. Enter it on the keyboard, and then press Enter to connect. Item Name: Wireless Keyboard Case Material: Faux Leather Bluetooth Version: bluetooth-compatible 3.0 + HS Standard Using Distance: 10m Modulation Method: 2.4GHz Working Voltage: 3.0-5V Working Current: and lt;4.0mA Standby Current: 20 and mu;A Sleep Current: and lt;2 and mu;A Charging Current: and ge;100mA Standby Time: 100 Days Button Strength: 80 and plusmn;10g Button Life: 5 Million Times Operating Temperature: -10 Degrees Celsius - +55 Degrees Celsius Humidity: 20 - 50 Application: Can Be Used as for iOS/for Android/for Windows Universal Keyboard Battery: Rechargeable Battery (Included) Features: bluetooth-compatible Connection, with Protective Case, with Bracket Function Keyboard Size: 20cm x 10cm x 3cm/7.87 and quot; x 3.94 and quot; x 1.18 and quot; (Approx.) Case Size: and nbsp;23cm x 15cm/9.06 and quot; x 5.91 and quot; (Approx.) Notes: Due to the light and screen setting difference, the item and 39;s color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Package Includes: (Phone Not Included) 1 x Wireless Keyboard 1 x Faux Leather Case 1 x Charging Cable bluetooth-compatible Connection, with Protective Case, with Bracket Function Wireless Keyboard