- 스펙 Ergonomic left-hand design 3500dpi Razer Precision 3.5G infrared sensor 1000Hz Ultrapolling / 1ms response Five independently programmable Hyperesponse buttons On-The-Fly Sensitivity adjustment Always-On mode Ultra-Large non-slip buttons 16-bit ultra-wide data path 60-120 inches per second and 15g of acceleration Zero-Acoustic Ultraslick Teflon feet Gold-Plated USB connector Seven-Foot, lightweight, braided fiber cable Approx. size in mm: 128(L) x 70(W) x 42.5(H)