The AeQur VO20 has 3 sound modes including normal, outdoors, and vocal, allowing users to adjust the audio according to their preference. Coupled with 4 internal drivers and a 15W power output, this speaker boasts with a clear sound profile. It’s IPX5 water resistant feature makes this speaker both rainproof and splashproof (not waterproof). A 15 hour battery life is conveniently matched with a quick 2.5-hour charge speed. Robust ABS and PC materials make this speaker ideal for outdoor scenarios.