Feature 1Foldable 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. 2Aluminum 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. 3Applicable Devices: The portable wireless folding keyboard is suitable for tablets, smartphones, and other for Android, for Windows, and for IOS systems. 4Memory with 3 Bluetooth Devices: The foldable wireless portable keyboard has memory for three Bluetooth devices, making it easy to make changes within it. 5Foldable 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:FoldableBluetoothKeyboardProduct Material:ABS,AluminumAlloyWeight: Approx. 292g / 10.3ozOperating Range: Up to 10 MetersModulation Method: GFSKOperating Voltage: 3.1-4.2VWorking Current: <3mAStandby Current: <0.3mASleep Current: <0.1mACharging Current: 250mAStandby Time: 150 DaysCharging Time: 2 HoursBuilt in Battery Capacity: 160mAhContinuous Working Time: 50 HoursKey Lifespan: 3 Million TimesOperating Temperature: -10C~+55C .wang-edit-text{ font-family:'Arial' !important; } .wang-edit-text table { border-top: 1px solid #000; border-left: 1px solid #000; } .wang-edit-text table td, .wang-edit-text table th { border-bottom: 1px solid #000; border-right: 1px solid #000; padding: 3px 5px; } .wang-edit-text table th { text-align: center; }Package List1 x Keyboard1 x Carrying Bag1 x Charging Cable