Brand Rapoo Model 6610 Quantity 1 Color Black + Silver Material ABS Connection Method Wireless Bluetooth Version 3 Connection Type USB Operation Distance 10m Tracking Method Optical Resolution 1000 dpi Power Supply 2 x AA batteries (included) OS System With Bluetooth function: Windows XP / Vista / 7 / 8; USB port MAC: Mac OS X 10.6 or later Other Blutooth v3.0 and 2.4GHz dual mode ensures reliable wireless communication; Rapoo's latest energy saving technology and power switch you can use your mouse without power interruption for up to 9 months; Responsive and smooth cursor control with the 1000dpi high-definition invisible tracing engine Packing List 1 x Wireless mouse 1 x Nano receiver 2 x AA batteries 1 x Multi-language user manual