Logitech MK245 Nano 79-Key Wireless Keyboard w/ 1000dpi Mouse

Form Color Black + Blue Model MK245 Nano Material Plastic Quantity 1 set Interface USB 2.0 Wireless or Wired 2.4G Wireless Bluetooth Version Others Compatible Brand Others Tracking Method Others Back-lit No Operation Distance 10 m Powered By AAA Battery Battery included or not Yes Charging Time N/A hour Waterproof Yes Supports System Win xp,Win vista,Win7 32,Win7 64,Win8 32,Win8 64,MAC OS X,Linux Packing List 1 x Keyboard1 x Mouse1 x Receiver4 x AAA batteries Dimensions: 11.33 in x 5.46 in x 0.84 in (28.8 cm x 13.9 cm x 2.1 cm)Weight: 11.01 oz (312 g)