FeatureFM RadioSuperior sound:Each element of a Sony Ericsson music accessory is designed for the best audio performance. Clear sound, deep bass and better performance as standard.Never miss a call:Its called a stereo portable handsfreebecause its for more than listening. A microphone, call answer key and 3.5 mm jack to swap headphones are all built-in.Multipoint:Connect to two wireless devices simultaneously, allowing access to the music files in your computer, PDA or other Bluetooth-equipped devices.Wireless music streaming:With A2DP you can stream high-quality stereo music from your phone to your wireless headset or other Bluetooth devices.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.Swap your headphones:Your Hi-FiWireless Headset with FM Radio MW600 has a 3.5 mm plug built in so that you can swap the headphones to match how you listen to music in your phone. Customized comfort for your ears.