Feature: 1. BUILT IN BT CHIP: Foldable BT keyboard's built in BT chip provides stable connectivity and fast response within a 10m operating range. 2. WITH SENSITIVE TOUCHPAD: Equipped with a sensitive touchpad, there is no need to use a mouse, just use the touchpad to control your device, more efficient. 3. 90H OPERATION TIME: Portable foldable keyboard with built in high capacity lithium battery is more efficient and can provide up to 90H runtime. 4. HIBERNATION MODE: Pocket foldable keyboard will go into sleep mode after 10 minutes of no operation, reducing unnecessary energy consumption. 5. COMPATIBLE DEVICES: Foldable keyboard is widely used in various BT devices, including but not limited to for iPhone and other cell phones, tablets and laptops. 6. ULTRA THIN DESIGN: Foldable keyboard has a slim design and can be folded to fit in backpacks and pockets. Ideal for short business trips or travel. Specification: Item Type: Foldable BT Keyboard Material: ABS Connection Mode: BT 5.1 BT Distance: Approx. 10m/32.8ft Number Of Keys: 63 Keys Key Structure: Scissor Foot Charging Interface: MicroUSB System Support: For OS X, For IOS, For Windows, For Android, Etc. Battery Type: Built In 140mAh Lithium Ion Battery Usage Time: 90H Standby Time: 90 Days. Package List: 1 x Foldable BT Keyboard1 x Data Cable1 x Instruction Manual