There are five differences between Soundcore Flare and Soundcore Flare+ speakers:

1. Output: Soundcore Flare+ has an output of 25W while Soundcore Flare has an output of 12W.

2. Bass: Soundcore Flare+ has a better bass and sound compared to Soundcore Flare.

3. Playtime: Soundcore Flare+ can play for around 20 hours at medium volume, while Soundcore Flare has a playtime of around 12 hours.

4. USB Port: Soundcore Flare+ can be used as a power bank to charge other devices while Soundcore Flare doesn't have this feature.

5. Bluetooth: The Bluetooth version of Soundcore Flare+ is 5.0, while the Bluetooth version of Soundcore Flare is 4.2.

If you still have any concerns or issues about the differences between both speakers, please contact Soundcore customer service for further assistance.