I was extremely taken aback when I first saw this speaker as I expected it to be much bigger. Seeing the small size, I thought it probably wouldn't give great sound (especially considering the price point), but I was totally and completely proven wrong. This little speaker packs a punch!

I found it to be pretty quiet with my phone at full volume and was disappointed, that is UNTIL I read the manual and realised I could turn the speaker up by holding the 'Skip' key down. A tone will sound when you are at full volume to let you know you can't go any louder. Boy does this thing have good sound for the size and price. It has a lovely bass and no tinny or crackly audio quality.

Furthermore, the claims of 'waterproof' are not exaggerated, this thing even continues to play clearly underwater.

This easily blew all the other low cost speakers I've tested out of the water.

It's very easy to pair, with a clear, understandable voice that will guide you, has great sound quality, is waterproof and on top of all that you can answer calls through it. Would recommend again and again!

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Pros
+ Waterproof (tested)
+ Great audio quality, not crackly or off even at loudest volume.
+ Good bass and overall good volume.
+ Easy to pair and use.
+ Chargeable means you won't use up batteries.
+ Small size makes it very portable.
+ Comes with Carabiner.
+ Surprisingly powerful.

Cons
- None

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Note: I received this product at a discounted rate in exchange for an unbiased, honest review as provided here. As a consumer advocate, I believe in providing quality and honest feedback and receiving a product at a discounted rate will never affect my opinions.