ALLOWS USERS TO WIRELESSLY ANSWER OR MAKE CALLS; PROVIDES 3 CHARGING OPTIONS: DIRECT FROM A POWER OUTLET, THROUGH A USB PORT OR WITH A CAR ADAPTER; BECOMES A SPEAKERPHONE WHEN PLACED IN DOCK; SWIVEL & EAR-CLIP DESIGNS ENSURE A PERFECT FIT ON THE EAR; SUPERIOR SOUND QUALITY PROVIDES CLEAREST COMMUNICATION POSSIBLE; SUPPORTS HSP & HFP PROFILES; UP TO 400 HOURS OF STANDBY TIME; UP TO 6 HOURS OF CONTINUOUS TALK TIME; COMMUNICATION RANGE OF 33 FT; BLUETOOTH® V1.2 COMPLIANT