Features:
Advanced Bluetooth technology eliminates the need for a separate receiver.
Optical mouse with high resolution up to 1000dpi .
Wireless range up to 10 meters (3.3ft).
Ergonomic design, very comfortable to use.
Automatically go into sleep mode for saving energy.
It employs a frequency-hopping technique, 1600 hops per second over 79 channels, effectively avoid mutual interference between wireless devices.
Please take a Bluetooth dongle first if your computer does not have Bluetooth function.(Bluetooth dongle is not included)

Specifications:
Wireless carrier frequency: 2402MHz-2480MHz
Frequency: 79 channels, automatic frequency hopping
Rated operating voltage: 3V
Rated working current: 16mA
Maximum resolution: 1000dpi
Wireless range: 10m
Button life: Up to 3 million times
System support: Windows ME / 2000 / XP / Vista / Windows 7
Power supply: 2 * AAA alkaline batteries (batteries are not included)
Certification: FCC / CE
Color: Black
Dimensions: 8.8 * 6.8 * 3.3cm
Weight: 54g
Packing size: 20.5 * 12 * 6.5cm
Package weight: 145g

Packing List:
1 * Bluetooth mouse
1 * User manual