6 of the best portable Bluetooth speakers that go everywhere

Using your smartphone or tablet's built-in speakers should only ever be a last resort if you want to listen to your favorite music playlists. With many Bluetooth speakers out there, it's the perfect time to invest in a great device for a superior listening experience. You don't even have to worry about buying a bulky unit that's tied into a power supply. 
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Plenty of portable Bluetooth speakers are high quality, while also o