ZDNET recommends the Tronsmart Mirtune S100 Bluetooth speaker, a surprisingly loud and durable portable option that exceeds expectations. Despite its limitations in sound quality, the speaker's rugged design, built-in power bank, and impressive decibel levels make it an attractive choice for those seeking a reliable companion for outdoor activities.

Source: https://www.zdnet.com/article/one-of-the-most-immersive-portable-speakers-ive-tested-is-not-made-by-bose-or-sonos/