Nokia BH-500 Bluetooth Stereo Headset for compatible Bluetooth Enabled Phones, PC's, and MP3 Players Includes a standard 3.5 mm audio jack allowing use of other headphones Stereo audio streaming over Bluetooth wireless technology (A2DP profile support) with excellent audio quality Talk/Music time up to 8/8 hours and stand by time up to 150 hours Splash Water/Dust/Humidity tolerant (IP54) Call functionalities:Answer/end -Reject -Voice dial activate Redial -Play/Pause/Next/Previous -Power Volume -Keylockand mute software buttonsSales