Description 27M RF wireless optical mouse, 800 DPI. Dimensions:97 x 55x 34 mm Weight: g +/-20g Channel: 1 channel ID: 65535 sets Radio frequency: 2.4 GHz Operating distance: 10 meters Key number: 3 keys Battery life: 50 hours (continuous operation) Battery: 2 AAA (alkaline ) Inner packing: Color box, blister

Packing information:
Meas: 50*43.5*27.5
G.W./N.W.: 11.5/10.5KGS QYT: 100PCS/CTN