Uphome Bluetooth 4.0 Visor Handsfree In-Car Speakerphone Car kit for iPhone, Samsung, HTC and all other Cellphones A Bluetooth V4.0, in-car speakerphone compatible speakerphone that enables you to takes hands-free call and listen to music while on the road. And it know who's calling and when it's time to recharge. Compatible with Bluetooth-enabled mobile phones, laptop, tablet, or MP3 player, etc. With the HD Microphone, DSP+EDR Strengthening noise cancellation technology. Your speakerphone's dual microphone noise cancellation and echo control settings block out background noise in the car better than other speakerphones. Ultra Low Power: With this speakerphone you stay in control of the conversation without taking your hands off the wheel. Up to 17 hours talk time and Up to 40 days standby time. Automatically turns on and connects with your phone when you enter your car. When you're ready to leave it automatically turns off, saving battery life. Multiuse: connect to 2 Bluetooth devices simultaneously