Features: 2.4G wireless connection, 10m transmission distance, no driver required, plug and play. 18 individual keys, compact key layout, convenient to use. Retro round chocolate key cap, frosted texture, streamline shape, comfortable feel. Small size, saving space, easy to carry and use. Suitable for laptop user, cashier desk, bank, financial accounting, stock exchange, etc. Specification: Brand: Mofii Model: X910 Color: White+Pink/White+Green/Black/Pink(mix color)/Black(mix color)/Green(mix color)/Blue(mix color) (optional) Key number: 18 Battery: 1*AAA battery(not included) Item size: 13.5 * 9 * 2.5cm /5.31 * 3.54 * 0.98in Item weight: Approx. 105g /3.7oz Package size: 15 * 10 * 4cm /5.91 * 3.94 * 1.57in Package weight: 160g /5.64oz Packing list: 1 * Keyboard 1 * USB receiver 1 * User manual