As one of its daily deals, Staples offers the Beats by Dre Powerbeats2 Bluetooth Wireless In-Ear Headphones in Black, model no. MHBE2AM/A, for $139.95 with free shipping. That's the lowest total price we could find by $28, although we saw them for a buck less last week. These water-resistant headphones feature a range of up to 30 feet, flexible earhooks, RemoteTalk control, rechargeable battery, carrying case, and four pairs of different sized ear tips. Deal ends July 11.