Up for review today I?ve got another Bluetooth speaker from a company called CoolStream, it's the BTS201 and it's not Bluetooth but it has an auxiliary input along with USB and an SD card slot. The speaker would be great for home or office as it's rather large, but it's still portable. Sadly the sound isn't that great, and that's not what you want to hear when you talk about speaker. Read on to learn more?