Overview Product Description Curl 1-Wire PTT Earpiece for Sonim XP3 Phones Flexible C-ring earloop may be worn on right or left ear. Over-Ear for hygeine & all-day comfort. Popular design for frontline and shift workers, with an earpiece that can be cleaned and shared. Swivels for Left or Right Ear. In-line PTT Button. Kevlar Reinforced Cables. Flyer Datasheet Product Videos Custom Field Connector XP3 Product Reviews