Features: Compatible with 4.5''-6.8'' (width of 6-9.5cm) Bluetooth cell phone, including for Android / Windows and iOS Phones. Light weight, compact, easy to carry and handle. Detachable magnetic keyboard tray to turn keyboard cover into classic portfolio case. Unique folio design prevents scratches while allowing easy access to all ports. Built-in stand securely holds your cellphone hands free in a perfect angle for typing or watching movies. Premium PU leather protective exterior provides durable, rugged, shockproof cushion when dropped and the plastic keyboard is dust-proof, scratch, resistant, high performance and high quality. Specification: Color: Blue Case+Keyboard Operating distance: 10 m Working system: for Windosws, Android, IOS system Operating voltage: 3.0 - 5.0V Operating current: < 2.0 mA Standby current: 0.3 - 0.5 Sleep current: < 25 UA Charging current: 100 mA Charging time: 4 hours Lithium battery capacity: 120ma Uninterrupted working hours: 40 hours Standby time: 60 days Lithium battery life: 3 years Keyboard life: 5 million times Working temperature: -10°C - 55°C System switching: FN + for Android/windows/IOS Charging method: Micro-USB Input: 5V500ma Leather case material: PU leather Applicable models: mobile phone screen 4.5 inch - 6.8 inch (or mobile phone width 6-9.5CM) All for Android or for system with Bluetooth enabled mobile phones are applicable. Size: approx. 200 * 125 * 28 mm/ 7.87 * 4.92 * 1.10 in Package weight: 334 g Package list: 1 * Bluetooth Keyboard & Case 1 * USB Cable For ipad use instructions: 1. Turn on the power switch, the power indicator light is on (for IPAD usage method, for reference). 2. Short press "Connect" (pairing button), the Bluetooth pairing light flashes quickly, and the Bluetooth keyboard is in the connection for IPAD. 3. Open for ipad, click the "Settings" icon, on the "Settings" button, click the "General" item, enter the Bluetooth settings, click "Bluetooth" to open the connection, and for iPad will automatically search for available Bluetooth devices. 4. Discover the Bluetooth keyboard and click "Connect". 5. Type the password displayed on the screen via the Bluetooth keyboard. 6. The keyboard connection is successful, the code indicator is off, and the power indicator will be on until the power is off. Mobile phone use instructions: Step 1: Turn on the ON/OFF button. Step 2: Press the CONNECT button frequently, and the indicator of the Bluetooth logo will flash. Step 3: At this time, turn on the Bluetooth switch of the mobile phone and search for the Bluetooth device. The default name of the keyboard holster is Bluetooth 3.0 Keyboard. Step 4: Click on Bluetooth 3.0 Keyboard on the tablet or mobile phone. A password of four Arabic digits will be displayed. Enter it on the keyboard, for example, the prompt 1234 on the tablet. Press on the keyboard and press Enter to connect. 1、Compatible with 4.5''-6.8'' (width of 6-9.5cm) Bluetooth cell phone, including for Android / Windows and iOS Phones. Light weight, compact, easy to carry and handle. 2、Detachable magnetic keyboard tray to turn keyboard cover into classic portfolio case. 3、Unique folio design prevents scratches while allowing easy access to all ports. 4、Built-in stand securely holds your cellphone hands free in a perfect angle for typing or watching movies. 5、Premium PU leather protective exterior provides durable, rugged, shockproof cushion when dropped and the plastic keyboard is dust-proof, scratch, resistant, high performance and high quality.