Listening to the song correct, support songs and call.
Power capacity will show on your Iphone, you can see the power situation anytime, do not worry about the electricity ,make your life without worry.
One to two connections, can be connected to two mobile phones at the same time.
Bluetooth headset connected to the phone after the shutdownand then open the Bluetooth headset will connect back to the phone automatically .
support all Bluetooth mobile phone, tablet, notebook, singing it, QQ music, movies, etc.
Powerful noise de-noising circuit (active noise reduction).