Canyon Wireless Mouse MW-21 Optical/2.4 GHz/7 Keys latte retailOne of the most successful solutions among all Canyon PC accessories! Due to the improved LED sensor with Blue LED technology, this mouse works much more accurately than any other mouse of this class, and with power saving technology, it increases the operating time by up to 20% from AAA batteries. Wireless 2. 4 GHz USB receiver allows you to maintain a high quality connection without cluttering the workplace with unnecessary wires. 7 durable buttons