Sony has a new Bluetooth clip-on with a connecting range of 10 meters and a 12 hour playback capacity or 200 hour standby. Available in black, silver, white, or pink, the open air dynamic earphones have a frequency response of 16 to 24,000Hz, a charge time of 3 hours, and have functions of playback, stop, pause, and tune sending. The DR-BT140QP comes with a built-in lithium-ion rechargeable battery and for now are only in Japan at a price of $149.99.