Small size: 112.50LX63.35WX35.95H(mm)Voltage: DC 5V 100mAHigh precision with 1000dpiMODEL: MS111Optical Three-button designInterface: USB 3D OpticalTracking Sensor Optical LEDButton Qty: 3 (Left, Right & Scroll Wheel)Color: Mett Black - Cable Length: 1800mm+/-50mmCompatible with practically any systemPlug and play convenienceAt home or in the office"}]