Wireless transmission, the longest induction distance of up to 10-15 meters. It is portable and lightweight, and is very convenient to carry and store. Power switch to save power. There are 4 keys, including the roller, the forward page, and the back page button to facilitate surfing. The mini adapter is plug and play.
Product specifications: Mouse type Wireless Optoelectronic Mouse Frequency 2.4GHz Key 4 Interface USB Color Black / White / Grery Battery 2 x AAA battery (excluding) Product weight 65g Product size 11.7 * 6.55 * 3.8cm / (long * width *) Packing weight 95g