As one of its daily deals, Woot offers the Panasonic Bluetooth Wireless Water-Resistant Open-Ear Headphones in Blue/Yellow, Black/Red, or Black/Grey, model no. RP-BTGS10, for $39.99 plus $5 for shipping. That's $10 under our August mention, a current low by $33, and the lowest total price we've seen. 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.