GearBest offers the Ausdom M04S Bluetooth Stereo Headset in Red/Black, model no. 142771501, for $33.41 with free shipping. These Bluetooth 4.0 headphones feature a microphone, NFC connectivity, a 3.5mm audio jack, and a built-in rechargeable battery powering up to 20 hours of playback. They ship with a 3.5mm audio cable and a USB charging cable. Deal ends May 3.