Yan mink Brand:MX905 Model:Of package: a package TypeClassification: sky blue green、 Color、 black、 orangeWireless distance: about 8-10m MaximumBattery: 5 batteriesTechnology: 2.4GHz WirelessMode: photoelectric WorkingNumber: Key 4Resolution: 1600dpi OpticalNumber: Roller 1To support the human engineering Whether support:New Color: