Sony has tried to make their latest Bluetooth headset a little more discreet.Sony’s DR-BT140QP Bluetooth headset not only functions in the standard way, but also doubles up as a standard pair of earphones with a frequency response of 16hz – 24hz, whilst the Bluetooth end of the device is 2.0 compliant, supporting A2DP/AVRCP/HFP/HSP profiles. Battery life is a decent 12 hrs, and they will be available in black, white and pink
