Ariic Bluetooth BT v3.0 Wireless Optical 1600dpi Mouse Black AA Battery 10M Material ABS Connection Method Bluetooth Bluetooth Version 3.0 Operation Distance Within 10m Tracking Method Optical Resolution 1000 / 1200 / 1600 dpi Supports System Windows 2000 / XP / Vista / 7 Power Supply 2 x AAA (not included) Other Supports Android phones and iPad / iPhone (need jail break)