🔊 Monster Puck 2-Pack Portable Bluetooth Speakers: Sync 2 EZ-Play Speakers, 8 Hours Playtime, IPX5 Water Resistant, Speakerphone, Bungee Strap, Lightweight Review

Works well in the shower, kayaking, or on a Onewheel bike. If you can't use headphones for security reasons, this speaker works fine.

Pros Waterproof to advertised level Ez Fast Sync Fairly good sound quality Definitely loud Cons One of my speakers sounds burned out after a week of use. At full power, less than 7 hours, more than 3-4, depending on the volume of the music, albeit quite well

Works well in the shower, kayak or unicycle. If you can't use headphones for security reasons, this speaker works fine.

Pros Waterproof to advertised level Ez Fast Sync Fairly good sound quality Definitely noisy At full power no 7 hours more than 3-4 depending on volume of music when quite well

I bought a few outside of Revain. Amazing sound for such small speakers. You can sync them together so they work as one speaker. However, the instructions are not clear on how to do this. Had to get my teenager to find out! The instructions say to double-click the Bluetooth button on the main speaker. He ended up just pressing it a few times before saying synced. I think I had to turn off Bluetooth on my phone first. Otherwise it just skipped to the next track on my phone. They fit perfectly in

These Bluetooth speakers provide the best sound on any device when the volume is 75% or more, and here comes the first caveat: battery life. It's not the worst, but it could be a little better compared to some competitors like Anker. The second nuance is synchronization. If you connect both speakers instead of just syncing one together, the sync will not be perfect. However, when you use the sync option (double-pressing the Bluetooth button on a paired speaker), you typically sacrifice the…