Today only, Patuoxun via Amazon offers the Mpow Bluetooth 4.0 Foldable Stereo Headphones in Black for $41.99. Coupon code "FH05MPOW" cuts the price to $31.99. With free shipping, that's $48 off list and the lowest total price we could find. They can be paired with two Bluetooth-enabled devices and feature Bluetooth 4.0, volume and playback controls, and up to 15 hours of music and talk time, and a foldable design.