Sony Ericsson HBHDS980 Stereo Bluetooth Headset Neat and discreet-How you communicate reflects who you are. The hidden depths of a mirrored OLED display illuminates the information you need while you stay mobile. Auto-Pairing. A feature that makes pairing the device with your Bluetooth mobile phone faster and simpler by dropping the PIN code without compromising security Digital Signal Processing-Enhanced audio quality is achieved through Digital Signal Processing (DSP) technology, including compression and echo cancellation. Multipoint-Connect to two wireless devices simultaneously, allowing access to the music files in your computer, PDA or other Bluetooth-equipped devices. Adaptive Frequency Hopping (AFH)-AFH reduces the impact of interference between wireless technologies, resulting in excellent audio quality.