This Hantoper Bluetooth Earphones will help you listen to the song youre playing correctly as it supports songs and call adjust volume. Also, you may see anytime the power capacity of the headset from your phone and even if the device is already connected before it shuts down, just open the bluetooth headset and it can connect back to the phone automatically which is more convenient. Features: Listening to music time: 5-6 hours Talk time: 5-6 hours Standby time: 120 hours Charging time: 1 hour B