Take the show on the road with the Stockwell Speaker in black from Marshall. This portable device features dual 2.25"" woofers and two-channel class-D amplifiers, making it one of the loudest portable speakers in its class—delivering up to 25W RMS. The Stockwell Speaker has Bluetooth 4.0 connectivity built-in, so you can stream audio from any compatible Bluetooth-enabled device. In case you don't have a Bluetooth device handy, the Stockwell is also equipped with a 3.5mm port for lining-in audio from other compatible devices.In addition to its playback capabilities, the Stockwell features a flip cover that can be used a safeguard when the speaker is not in use or as a supportive stand for propping up the speaker when playing music. The Stockwells's set of rechargeable lithium-ion batteries lasts up to 25 hours on a full charge, meaning the music will keep going for as long as you do.• Flip cover protects speaker and functions as supportive stand• Iconic Marshall design and logo• 25 hours of playing time• USB port for charging compatible devices• Speakerphone functionality and on-board controls lets you receive and end phone calls