Compatible Models: This charger is compatible with Sonos Roam & Sonos Roam SL & Sonos Roam 2 speakers. EASY TO USE: The small and portable adapter allows you to connect your GM smart device with a standard usb cable for charging, synchronization or data transfer. You can use the charging cable or computer/laptop/tablet charging cable to charge the speaker. Portability: with strong magnetic force and attraction, it is very sturdy and won't fall off, realizing reliable and safe charging. EXCELLENT MATERIAL: The charger charging base is made of high quality and premium material, durable and not easy to wear. LIGHTWEIGHT AND PORTABLE: The charger base is small enough to wrap the cord around the base, which makes it easier for you to tuck it away when you're done using it and charge your speakers with ease. Compatible with Sonos Roam & Sonos Roam SL & Sonos Roam 2