AUTHENTIC MYBAT BRAND - HANDS FREE BOOM MIC HEADSET with EAR LOOP for SONY ERICSSON W580 WALMAN / Z310 / W300i W300 / W810 W810i / K750 / W800 / Z520 / Z525 / W550i- RETAIL PACKAGING This handsfree allows you to talk on the phone without holding the phone. 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 loop which allows you hang the handsfree comfortably over your left ear. Light weight and easy to carry.