Introducing the Porodo Dual Mode Wireless Keyboard Mouse Set, which combines functionality and adaptability in a seamless way. It guarantees an uninterrupted and flexible connection experience with Bluetooth and 2.4G wireless access. The keyboard has 104 membrane keys with both US and AR keys, all contained in a stylish frame weighing 452g. A single AAA battery (not included) powers it. The rapid mouse, which has 4 responsive buttons and allows you to switch between DPI levels of 800, 1200, and 1600 for the best precision, works in conjunction with the keyboard. It is only 50g in weight and uses one AA battery (not included). Improve your computing and productivity with this amazing pair.