Best Buy: Bose QuietControl 30 Wireless Noise Cancelling Headphones Black 761448-0010
Amazon.com: Replacement QC30 USB Charging Power Supply Cable Cord Line Compatible for QuietControl30 QC30 QC20 SoundLink Power 2 Wireless Studio 2.0 Wireless Headphones Earphones (20CM) : Electronics
Bose QuietControl 30 review: The ultimate neckband-style Bluetooth headphone - CNET