1、Foldable Design and Concave Fingertip Design: The foldable design of the Bluetooth keyboard makes it easy to carry, and the concave fingertip design makes typing comfortable and soft. 2、Aluminum Alloy Bottom Shell: The bottom shell of the keyboard is made of aluminum alloy material, and the key body is light, thin, and hard, with strong impact resistance. 3、Applicable Devices: The portable wireless folding keyboard is suitable for tablets, smartphones, and other for Android, for Windows, and for IOS systems. 4、Memory with 3 Bluetooth Devices: The foldable wireless portable keyboard has memory for three Bluetooth devices, making it easy to make changes within it. 5、Foldable Full Size Buttons: The foldable full size buttons provide a user friendly typing experience. The keyboard can be easily folded into a compact size, making it convenient to carry and store during travel or when on the go. Item Type: Foldable Bluetooth Keyboard Product Material: ABS, Aluminum Alloy Weight: Approx. 292g / 10.3oz Operating Range: Up to 10 Meters Modulation Method: GFSK Operating Voltage: 3.1-4.2V Working Current: <3mA Standby Current: <0.3mA Sleep Current: <0.1mA Charging Current: ≤250mA Standby Time: ≥150 Days Charging Time: ≤2 Hours Built in Battery Capacity: 160mAh Continuous Working Time: ≥50 Hours Key Lifespan: 3 Million Times Operating Temperature: -10°C~+55°C 1 x Keyboard 1 x Carrying Bag 1 x Charging Cable