1、5 rows wireless keyboard layout, white and blue characters double‑sided color screen printing, plus anti‑ultraviolet varnish coating. 2、Ergonomic design, more comfortable operation, no noise from buttons, and will not disturb others. 3、Small and compact, it can be put in a notebook bag, and it is convenient to carry on daily business trips, entertainment and travel. 4、Adopt 2.4G USB wireless receiver, plug and play, without any driver, which is convenient and quick to use. 5、Mouse and keyboard set, meet your different needs, important accessories for computer. Item Type: Keyboard Mouse Combos Material: ABS Keys: 64 Keys Interface: USB Wireless Receiver Effective Distance: Approx. 10m/32.8ft Button Life: More than 10 Million Times Support system: For windows98/ for 95/ for NT/ for ME/ for 2000/ for XP/ for Vista/ for 7.0/ for 8.0 Mouse Battery: 2 x AAA Batteries (Battery Not Included) Keyboard Battery: 2 x AAA Batteries (Battery Not Included) 1 x Mouse (Battery Not Included) 1 x Keyboard (Battery Not Included) 1 x 2.4G Receiver