Wireless office keyboard and optical mouse Keyboard size: 48.6 x 20 x 3.5cm Mouse size: 12.1 x 7.0 x 4.2cm Frequency: 27mhz Security id: 256 Resolution of mouse: 800dpi Key switch life: 10, 000, 000 times Supporting windows 98/2000/me/nt/xp Language: worldwide supported Wireless keyboard using two aa batteries, wireless mouse using two aaa rechargeable batteries Color box packing.10pcs in one carton.Carton size:520*475*460mm, gross weight 9.5kgs
