• It is a hands free device and also doubles as a set of headphones
• It comes with microphone, one touch button and in-line music and phone volume control. A switch allows you easily select either "Hands Free mode" or "MP3 mode”
• A clip is on the back of console
• High performance speakers for best sound quality
• Light weight, comfortable in-the-ear design for discrete listening.
• Plug directly into your Treo 600 headset jack
• 2.5 mm gold plated L-shaped Stereo plug

In MP3 mode

• Listen to MP3 in Stereo
• Adjust the MP3 music volume with in-line volume control
• The incoming call ring tone will be played in both ear buds

In hands free mode

• Answer and end the phone call by one touch button
• Adjust the phone volume with in-line volume control
• Listen to phone conversation in both ear buds (binaural)
• Auto hang up by switching back to MP3 mode