Features: Wireless BT3.0 for fast pairing and wide operating range, no messy cables anymore. Perfect key layout, with multi-function keys, compact and excellent, good performance. Ingenious two-way folding design, handy and portable, say goodbye to heavy burdens. Ultra-thin body, high sensitivity and good tactility, comfortable typing experience. Full keyboard design with independent number area, use easily and closer to the everyday experience. Work with most BT supported devices and compatible with 3 major operating systems: iOS/Android/Windows. Rechargeable battery can charge 2 hours and work for 80 hours. Specifications: Model:FK328 Color: Grey BT version:BT3.0 Material:ABS Power supply: Lithium battery Battery capacity: 180mAh Working voltage: 3.7V Working current: 2mA Item full size: 35.8*10*0.9cm /14.09*3.94*0.35 in (L * W * H) Item weight: 208g / 7.34oz Package List: 1 * BT keyboard 1 * Charging cable 1 * User manual