Features: 2.4G wireless technology reduces interference and frame drop trouble for users, ensures powerful and reliable wireless connection within 10 meters. 107 keys layout, with conventional keys, arrow keys, numeric keypad and 12 F keys, provides comfort, convenience and durability. Adopt soft silicone material, non-toxic, no-deformation, comfortable hand feel. Waterproof, dustproof and moisture-proof design, easy to clean. Foldable design, the keyboard can be easily rolled up, easy to store and carry, saving space. Mute design, providing a silent working/entertainment environment, no need to worry about disturbing others. Specification: Color: Black&Grey Connection mode: 2.4G wireless Transmission distance: About 10m(barrier-free) Material: Silicone Key number: 107 Battery: 2*AAA batteries(not included) Item size: 40 * 12.5 * 1.5cm /15.75 * 4.92 * 0.59in Item weight: Approx. 181g /6.38oz Packing list: 1 * Keyboard