KB254GCM PC series Wireless keyboard+mouse combo

Mouse: Wireless technology: 2.4GHz | Wireless distance: 10m | Size: 108*59*27mm Key number: 4 | Resolution: 800-1200-1600DPI | Key life: 3,000,000 times Power supply: 1*AA (Alkaline batteries are recommended) | product weight: 51g Material: ABS | Keyboard: Wireless technology: 2.4GHz | Wireless distance: 10m Size: 368*134*23mm | Key number: 99 | Key life: 10,000,000 times | Power supply: 2*AAA (Alkaline batteries are recommended) | product weight: 450g | Material: ABS