Bluetooth Mouse,BH-0104005 (1) Broadcom 2042 Bluetooth chip + Agilent 5030 optical IC. Bluetooth v2.0. One button=pairing+connect. (2) Bluetooth class 2, 10 meters distance. (3) Frequency : 2.4~2.480GHZ . (4) High Quality. Resolution :1000 DPI . (5) Battery: 2 AAA batteries. (6) Auto sleep function-power saving mode,low working electric current, one touch to wake up. Built-in particular power managing software, indicates the power capacity in the Microsoft Windows System automatically. (7) Pairing key. (8) Fashion and stylish design . (9) Ergonomic design, suitable for both Left & Right hand (10) Support Microsoft windows, Mac OS 10.2.6. (11) Color: Black/Red/Silver (12) Mouse Size: 9.2*5.0*3.0 cm Mouse weight: 50g (without battery) Packing: Color box Unit packing size: 15 * 4.6 * 17.8 cm . Unit packing weight: 160g (without battery) (13) Accessories: a. Bluetooth OPtical Mouse b. User's Manual c. Mini cloth bundle. d. Bluetooth v2.0 Dongle is optional. (14) Carton: 50 pcs/carton Carton size: 61 * 43 * 39.5 cm carton weight:11.8 kg