The BT keyboard with case is specially designed for 4.5-6.8inch mobile phones, adopting the magnetic absorption design to make the keyboard firmly absorbed to the case and easily removed, for more convenience to use your mobile phones. Features: High Quality. The PU case and the ABS BT keyboard are specially designed in high quality, which are eco-friendly, resistant to dust, water and scratches, and can also protect your mobile phones from being scratched or from dust and water, etc. Magnetic Absorption. The BT keyboard is magnetically absorbed in the protective case to a firm and stable extent, and also easy to remove, for more convenience. Wide Compatibility. Widely compatible for 4.5-6.8inch mobile phones. Unique Stand Design. Unique stand design makes it support the smartphone stably when you are watching movies or typing, which allows to be folded when not use, not occupying space. Quick Typing. The BT keyboard adopts unique keys design for quick and comfortable typing experience. And it is easily connected via the BT to your devices. Better Heat Dissipation Effect Increased contact area of the smartphone to the air, for efficient heat dissipation. Lightweight Design. Designed in lightweight and slimness, easy and convenient to carry and use. Specification: Item: Keyboard with Case Protection Case: Color: Black Material: PU Compatible Smartphone: For 4.5-6.8inch Size: 22.7 * 14 * 3cm / 8.9 * 5.5 * 1.2inches Weight: 179g / 6.3oz Keyboard: Color: Black, White (Optional) Transmission Distance: 10m Modulation: 2.4GHz Working Voltage: 3-5V Working Current: