Specification:
RF: 2402MHz-2480MHz
RF channel: 16, automatic frequency hopping
Rated voltage: 1.5V
Rated current: 12-20mA
. Acceleration: 14ft/Sec
USB: Ver 1.1/2.0
Power Supply: 2 x AAA Battery(Not included)
Color: Red, Gray, Black (Optional)
Size: 11 x 6.9 x 3.7cm / 4.3 x 2.7 x 1.45inch
Package Weight: 63g
Quantity: 1pc

System requirement:
1. Use with 2000/XP/Vista// 7/ system
2. One available USB port

Package included:
1 x Optical Gaming Mouse
1 x Receiver

Note:
1. Please allow 1-3cm error due to manual measurement. Thanks for your understanding.
2. Monitors are not calibrated same, item color displayed in photos may be showing slightly different from the real object. Please take the real one as standard.