Lumsing® Portable Wireless Bluetooth Stereo Speaker with integrated NFC speakerphone, microphone, battery up to 25 hours of play bass -Diaphragm double stereo speakers [Lithium 2500mAh Army Green] (Electronics)
Sound quality is pretty good. The strange loop is somewhat unnecessary for "normal" use. You should buy it only if you explicitly use has for this. Oh, and these announcements and the blue flashing light (you can possibly via glue) are a bit ann
