Stereo Hands-Free Headset for Sony Ericsson W760a, TM506, W350, W350i, Z750A, W300i, Z520, W800, W550i, K750, W810i, W580i, W760 [Retail Packaging] Stereo headset for listening to music or hands free talking You can use this handsfree whether you are walking or driving This handsfree can reduce the contact of harmful radiation from your phone and offer clear sound It comes with a collar clip, convenient and low profile. Light weight and easy to carry.