Keyboard:Wireless carrier frequency: 2402MHz-2480MHzOperating frequency: 16, automatic frequency hoppingRated working current of keyboard: 28mA/3VTracking system: opticalResolution: 1000CPIPhotoelectric sensor cannot work on mirror or clean glassBattery life may vary depending on individual useDo not discard the battery or throw it into the fire When replacing the battery, please put the old battery into the battery recycling boxSystem support: Windows Me/2000/XP/Vista operating system, and an unoccupied USB interfaceMouse:Rated working voltage of mouse: 1 5-3VRated working current of mouse: 10-15mAMouse resolution: 800-1200DPIWireless working channels: 16, automatic frequency hoppingWireless operating frequency: 2 402-2 480GHzWireless transmission speed: 1-2M bpsMaximum effective distance: 6-10 metersMaximum acceleration: 28 inches/secondImage processing: 3000 frames/secondMouse button life: 3-5 million timesOperating temperature: - 15 to 60 Keyboard size: 36 8 * 14 3 * 2 63cmNet weight of keyboard: 390G (receiver) including USB)Keyboard working voltage: 3 0 VMouse size: 11 6 * 6 6 * 3 5cmNet weight of mouse: 63 2 gMouse DPI: 800, 1200, 1600Mouse working voltage: 1 5V Wake up method: press any keyService time: 3 million hitsProduct material: ABS+PCTransmission distance: