BlueTooth Handsfree has never been so easy or sounded so great! This small, yet powerful BlueTooth speaker is a snap to use--just clip & go. Clips to visor, pairs to phone in seconds. Easy to remove and use in another vehicle Echo and noise reduction technology minimizes background noise Esy control - press a button for power, another for calls, and 2 more for volume Up to approximately 14 hours talk or 200 hours standby time from a single charge Includes charger.