Packing size: 15 * 12 * 5Brand: other/otherType: other/otherMeal types: the official standardGross weight: 0.20Color classification: black white pinkWireless distance: 10 mBattery type: batteriesWireless technology: 2.4 GHzWorks: a laserKey: 2Optical resolution: 2400 dpi1 roller number:Whether to support the human body engineering: supportColour: new