Sentey LS-4460 B-Trek S8 Bluetooth Portable Stereo Speaker (Black)
The item arrived promptly and I received an email from the seller, checking to see if everything was OK. The speaker is sturdily built and has a fabulous sound with a powerful bass. There are actually two speakers inside the unit, and you can easily discern the stereo separation. I don't know why anyone would want one of those tiny speakers that only play in mono. To each his own, I guess.    The battery life seems to exceed the claims of the accompanying booklet. I fully charged the battery and it didn't g