JETech Ultra-Slim 2.4G Wireless Keyboard for Windows (Black) - 2160 Simply insert the nano USB receiver into your computer and enjoy an instant, plug and play connection with a range of up to 33 feet Compact and portable: smaller than traditional clunky keyboards while all function included. Comfortable Keys: Type quietly and effortlessly on comfortable, low-profile keys Super long battery life: over three months (normal usage per day) with power-saving mode and space for two AAA batteries (not included). Package includes: JETech wireless keyboard with nano receiver, instruction manual, life-time warranty card