... meter operation range, 500/1000dpi SHIFT , Product Description:1)2.4GHz digital wireless transmission, operation distance is up to 10 meters ... / 1600 dpi, cursor speed adjustable. 8)Power switch. 9)Auto Power saving function10)packing:white box,blister,color box ... box)Technical Specification:1)RF carrier: 2402MHz - 2480MHz 2)RF operation channel: 16, auto frequency hopping 3)Rated operation current: ...