Features: 2.4G wireless transmission technology, about 10m wireless transmission distance, stable signal, strong anti-interference ability. Retro round punk chocolate keycap, fit your fingertip, fast springback, comfortable typing experience. Mute button design, no need to worry about disturbing others. High-quality characters, not easy to fade or wear during long time use. Ergonomic design, the mouse fits your palm, comfortable to use. Wide compatibility, compatible with Windows/Mac, suitable for desktop computer and laptop. Specification: Type: 2.4G wireless keyboard mouse combo Brand: T-WOLF Model: TF770 Color: Blue/Pink(optional) Keyboard Key number: 104 keys Battery: 1*AAA battery(not included) Voltage: DC 1.5V5% Current: 15mA Item size: 44.5 * 12.5 * 2.5cm /17.52 * 4.92 * 0.98in Item weight: Approx. 336g /11.85oz Mouse Key number: 3 keys(include the roller wheel) Battery: 1*AA battery(not included) Voltage: DC 1.5V5% Current: 15mA Item size: 10.5 * 6 * 3cm /4.13 * 2.36 * 1.18in Item weight: Approx. 59g /2.08oz Packing list: 1 * Keyboard 1 * Mouse