For anyone who likes things extremely compact this mouse is not much bigger than a matchbox & fits into almost any pocket with ease The 3300P also holds its own against other bigger mice the 1000 DPI HD sensor guarantees total control & the 5 GHz technology offers interference- free transmission & a battery life of up to 6 months using only a single AAA battery Reliable 5 G Hz wireless connection Up to 10m range & 360° coverage Ultra-compact size High resolution 1000 DPI sensor Nano USB (Universal Serial Bus) Receiver Up to 6 months battery life