Jabra EarWave Corded Headset - Compatible with 3.5mm and 2.5mm Phones Clear call sound with wind-noise reduction Behind-the-ear style for all day comfort Perfect fit with Ultimate Comfort Eargels 2.5mm Headset - Comes with 3.5mm Headset Adapter On-cord button control - answer/end calls. Extra Clear Ear Gels Included