Jabra Wave Corded 3.5mm Headset Clear call sound with wind-noise reduction Behind-the-ear style for all day comfort Adapters for cellular phone compatibility Clear call sound with wind-noise reduction Compatibility: Phones with 3.5 mm and 2.5mm plugs Behind-the-ear style for all day comfort Take phone calls, Control box on headset cord: answer/end calls, MiniGels for secure comfort. 3,5mm to 2,5mm adapter for backwards compatibility Warranty: 1 year limited warranty