As one of its daily deals, Best Buy offers the Rocketfish Mobile High-Definition Stereo Bluetooth Headphones in Black, model no. RF-MAB2, for $29.99 with free shipping. That's the lowest total price we could find by $6. Sales tax is added where applicable. The headphones include a USB charging cable and an AC adapter, and are compatible with most Bluetooth-enabled mobile phones and MP3 players. Deal expires today.