Most of them also let you connect a USB cord so you can charge a smartphone or MP3 device directly from your Ryobi One+ Lithium ... now play the music on your phone, table, or MP3 player through ...

This speaker is part of Ryobi's USB Lithium tool line, which is the smallest of the battery lines. It comes with a rechargeable 4V battery that can double as a portable charger for a phone or ...