Brand: APOINT - Model: T5 - Quantity: 1 piece - Color: Blue + black - Material: Plastic - Operating Distance: 10m - Tracking Method: Optical - Connection Method: Wireless - Channels: 16 automatic channels - Transmitting Frequency: 1402MHz~1480MHz - Resolution: 1000dpi - Rated Working Voltage: 3V - Rated Working Current: - USB port: 1.1 Version - Supports Windows XP / Windows 2000 / Windows 7/ Vista / Mac OS X above - Power Supply: 2 x AAA batteries (included) - Packing list: - 1 x Optical mouse - 1 x USB receiver - 2 x AAA batteries - 1 x Chinese user manual