The product “Essential Wireless Combo - keyboard and mouse set - wireless - 2.4 GHz - English...” from Lenovo has an alkaline battery. The power supply is powered by a battery/rechargeable battery. When packaged, the product has a height of PACKAGING HEIGHT and a width of 167 mm. The product has an ambidextrous design. The product features the following transmission technology: Wireless and is black. The product has the following certifications: CB. The product has an operating temperature range of 0 - 40 °C and will have a total weight of 1.06 kg.