BT320s Bluetooth&reg; Stereo Clip-On Earbud Headset Earbuds plug into 3.5mm plug on main unit producing high audio quality Music fades when phone rings and resumes when call ends Triple color LED light indicators Up to 6 hours talk time, 6 hours music time and 160 hours standby Supports A2DP and AVRCP profiles, headset (HSP) and hands-free (HFP) profiles