Be safe whilst driving and taking that phone call with the saem s3 ayrton senna bluetooth handsfree car kit and speaker the saem s3 handsfree speaker system is 3 products in 1 firstly when using in a car the saem s3 will allow you to make and receive phone calls handsfree preventing accidents and police action the built in ams technology works by detecting human movement in the car so that the saem can automatically power on and off which means that the battery life can be extended way be