Aluratek Bluetooth Wireless Headphones - Retail Packaging - White Features Bluetooth Class 2 for superior wireless performance Lightweight conforming foam ear pads for hours of wearing comfort Hands free support with the built-in microphone Up to 8 hours playback using internal Lithium-ion battery Easy USB recharging with included cable&mdash;even while you're wearing the headset Works with Skype, Yahoo Messenger, Windows Live Messenger, Gmail and AIM Up to 33 feet wireless range