As one of its daily deals, Amazon offers the Panasonic Bluetooth Wireless Water-Resistant Open-Ear Headphones in Blue/Yellow, Black/Red, or Black/Grey, model no. RP-BTGS10, for $69.99 with free shipping. That's the lowest total price we could find by $49. These headphones feature bone conduction audio (they sit on your upper cheekbone, rather than in your ears), hands-free calls, and up to five hours of playback per battery charge. Deal ends today.