Specification Model B055Dimensions Unfolded 304 1 x 216 x 6 1mmDimensions Folded 152 4 x 100 x 19 8mmTouchpad Size 132 x 61mmCharging Port Type CKey Structure Scissor SwitchMaterial PU ABSConnection Method bluetoothBattery Capacity 140mAh Lithium BatteryNumber of Keys 81Weight 275gUsage Time Up to 35 hoursStandby Time Up to 90 daysFeatures 1 Portable and Compact Design Easily foldable for convenience transforming from a full sized keyboard to a compact pocket friendly device perfect for travel and on the go use 2 Integrated Touchpad Achieve enhanced functionality and control with a built in touchpad eliminating the need for an additional mouse 3 Extended Battery Life With a powerful 140mAh lithium battery enjoy up to 35 hours of continuous use and an astonishing standby time of up to 90 days 4 bluetooth Connectivity Seamlessly connect to laptops phones and tablets via bluetooth offering a cable free clutter free experience 5 Premium Materials and Craftsmanship Constructed with high quality PU and ABS this keyboard promises robust performance and long lasting reliability Package Includes 1x Keyboard1x Charging Cable1x Manual