Each element of MX Sound has been meticulously selected from the high-end drivers to the premium fabric to the motion-activated back-lit controls to deliver superior audio in a beautiful design. Listen via Bluetooth or a wired connection and seamlessly switch between them with the Logitech Easy-Switch™ feature. Enjoy an exceptional experience at your desk. Pair up to two Bluetooth® devices and/or connect one device via the 3.5 mm input. The Logitech Easy-Switch™ technology lets you seamlessly switch between audio sources—just pause the audio on one and press play on the other. With 24 Watt Peak (12 Watt RMS) power, high-end drivers and uniquely designed port tubes extending the bass range, these speakers deliver balanced audio that accurately reproduces the sound artists intended. A 10° backward tilt puts the listener in the sweet spot for an optimal sound experience.ure.