3D optical wired mousePort: USB port, retractableResolution: 1800dpiLife time: > 1 million timesCable length: 1.5mSystem requirement: Windows 2000 /XP, WIN7, WIN8, OXPacking: Gift box / Blister available/white boxProduct Size: 81*52*34mmQuantity: 60 pieces/cartonCarton size: 580x 440 x 250mmGW/NW: 6.5KG/5.5GK