Amazon has the Sennheiser HD 4.40 BT Wireless Bluetooth Headphones for $99.99 (regularly $149.99) with Free SHipping for a limited time.

The Sennheiser HD 4.40BT Wireless offers exceptional sound for every day listening with mobile devices. The comfortable closed-back, around-ear headset is powered by proprietary Sennheiser drivers that deliver a well-balanced, amazingly detailed sound with dynamic bass. Bluetooth wireless technology ensures hassle-free pairing and reliable transmission with smart devices. Its elegantly minimalistic design with foldable headband has been crafted from robust, high-quality materials to meet the requirements of the street.