Newegg offers the Sennheiser HD1 Free Wireless Headphones for $84.95 via coupon code EMCSTWVT2 . Free shipping. Features: Get more out of your mobile devices with the Sennheiser HD 1 In-Ear Wireless headset. Powered by Bluetooth 4.1 and Qualcomm apt-X, the HD 1 In-Ear Wireless delivers exceptional hi-fi wireless sound, while the NFC technology makes pairing a breeze. A three-button remote with microphone on the neckband puts the control of music and phone calls at your fingertips, without the need to take your devices from your pocket or bag. The headband is stitched with ultra-soft sheepskin nappa leather for premium comfort, while the eartips in four different sizes allow secure and personalized fit for every ear. A 10-hour battery life means uninterrupted enjoyment during you trip or flight.