Product descriptionColor: BlackHow to connect:1.Turn on the power switch, the indicator will flash blue. (If the light is not on, please charge the keyboard.)2. Turn on your device's bluetooth and let it search for bluetooth devices nearby.3. Battery capacity: 200mAh1. Soft silicone material Made of high intensity and high elasticity silicone gel. Soft click, perfect for school, library, evening work or any quiet environment without disturbing others.2. Built-in rechargeable lithium-ion battery It neither occupies the USB port of your computer nor does it require an AAA battery. When fully charged for 2-3 hours of continuous use, the standby time is up to 48 days.3. Waterproof and Dustproof No need for additional skin of the keyboard cover, food crumbs or dust can be easily cleaned thoroughly.4. Note Small little bluetooth keyboard (size: 25.5 * 9.2 * 1.5cm). Portable keyboard foldable, bluetooth connection, ultra slim and compact, can be folded up very small to put in a backpack, ideal for on the go.5. Wide compatibility Use with operating systems that support Bluetooth (iOS, Android and Windows) and are suitable for mobile phones, tablets, computers, etc.