Accuracy Pro Audio has partnered with one of the top producers of popular speakers found in retail stores with price tags over 100 dollars, to bring you the Blue Blaster!  This is a great-sounding mid-level model speaker with 5 watts RMS 15 watts peak power and a 2000 mAh rechargeable lithium battery.  For a small speaker it actually has some bass to it and packs a punch.  The speaker is charged using the supplied USB cable and with buyer-supplied USB power source.  The powerful battery will last a full 8-hour work day at full volume, or longer at lower volume levels.   We have the speaker in stock in the USA and ship the next day unless it's Saturday.  Free shipping for continental USA only.  
Aside from having great sound and power source, this speaker is IP67 waterproof, perfectly suitable for using in the shower.  The build quality is exceptional.  Don't take it from us, last time we were selling this one of our buyers made a review video found below.  The speaker appears smaller in the video - looks like it was placed slightly further away.  The size rounding to the nearest quarter inch is 8" x 1.75" x 2.5".  
Best Bluetooth Speakers 2020 Speaker Review Sound Comparison Test vs  Altec Lansing Speaker 5.0 - YouTube
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