Newegg offers the Philips Bluetooth Over-Ear Headphones in Black, model no. SHB9100, for $29.99 plus 99 cents for shipping. That's $9 below our March mention and the lowest total price we've seen. (It's a current low by $18.) They feature a frequency response of 18Hz to 21kHz, soft sound-isolating cushions, smart controls (for switching between calls and music), and 3.5mm plug-in option.