Questions about Sony WI-C310

Yes, as long as the phone has Bluetooth, it will work.

Hello, I think this tutorial might help you: https://www.youtube.com/watch?v=NfDkpunJUWE&ab_channel=DanielAboutTech

No, unfortunately that is not possible. But the running time is given as 15 hours and that is quite realistic.

Unfortunately, the manufacturer does not specify this, but the battery has up to 15 hours of playback time.