1. listening to the song correct, support songs and call, 

2. remind call number, the last call back, all intelligent Chinese and English voice prompts, boot, pair, shut down the phone power will be low voice prompts，

3. Power capacity will show on your for Iphone, you can see the power situation anytime, do not worry about the electricity，

4. One to two connections, can be connected to two mobile phones at the same time，

5. BT headset connected to the phone after the shutdown , and then open the BT headset will connect back to the phone automatically , more convenient，