2 Pack HMDX HX-P240GY Jam Plus Portable Speaker - Allows You To Pair A 2nd JAM Plus Speaker For True Stereo Sound (Grey) + FREE Bonus Photive 2600mAh Portable Battery Charger - Allows You To Charge Your Speakers or Phone On The Go
Great sound,  but the power buttons on both speakers wont turn off so once charged they will wear down no matter what since i can't turn them off even if i only wanted to listen for a few minutes.  Hope these are just s couple of rare lemons. How can I exchange them for another try?