Bluetooth keyboard,BH-0105001 (1) Broadcom 2042 chipset, Bluetooth v2.0 Wireless Transfer. (2) Bluetooth class 2, 10 meters working distance. (3) Frequency : 2.4~2.480GHZ . (4) Battery: 2pcs AA alkaline battery. (5) Particular power managing software, automatically indicates the power capacity in Macrosoft Windows system. Super energy saving mode, battery life 50% longer than similar products, maximum period of 12 monthes. (6) Soft Touch Key, 122 keys include 18 multimedia keys. Additional Pairing key for Bluetooth. (7) Support Sony PS3 game player. (8) Macintosh & Windows 98/ME/2k//2003/XP/Vista compatible. (9) Standby current: 2mA; Disconnected state: 2mA. Operation current: <=30mA. Receiving sensitivity -75bm. (10) Color: Black (11) Keyboard Size: 49.0*22.5*3.4 cm . Keyboard weight: 770g (without battery) Packing: Color box Unit packing size: 50.8 * 23.4 * 4.8 cm . Unit packing weight: 998g (without battery) (12) Accessories: a. Bluetooth keyboard b. User's Manual c. Bluetooth USB Dongle is optional. (13) Carton: pcs/carton Carton size: CM carton weight: kg