The Sennheiser HD 4.40 Wireless offers high-quality wireless sound for every day listening on the move. The closed-back, around-ear headset features Bluetooth and aptX compatibility to deliver true Hi-Fi sound with a satisfyingly dynamic bass. Its elegantly minimalistic design has been crafted from robust, high-quality materials to meet the requirements of the street.
Manufacturer Part# : 506782
Dell Part# : AA167553