Built for life on the raod the Stockwell is the smallest travel speaker made by Marshall today. This portable, active stereo speaker weighs just 1.2kg which means it'll go wherever you want it to go. Rechargeable Lithium-Ion batteries are built into the Stockwell, which give it 25 hours of playing time. The handy USB port also allows you to charge your devices when you're on the go.A multi functional flip cover can be purchased separately for added protection and a little extra style when you're transporting the Stockwell.