Logitech® Z27 has 1 Watts Peak/5 Watts RMS power that produces rich stereo sound at your desk. Each speaker has one active/powered driver that delivers full range audio and one passive radiator that provides bass extension. Listen via Bluetooth or a wired connection and seamlessly switch between them with the Logitech Easy-Switch™ feature. Easily access the Bluetooth pairing button, power, volume and the headphone jack on the front of the right speaker. * Versatile setup – Pair up to two Bluetooth® devices and/or connect one device via the 3.5 mm input. Logitech Easy-Switch™ lets you seamlessly switch between audio sources – just pause the audio on one and press play on the other. * Rich stereo sound – 1 watts peak/5 watts RMS power delivers room-filling sound from the four-driver design * two drivers create the perfect balance between the mid and high tones, while two passive radiators deliver bass. * Simple controls – Easily access the Bluetooth pairing button, power, volume and the headphone jack located on the right speaker. * Built-in headphone jack – Use the handy headphone jack to connect your headphones and listen to music, movies and games in total privacy.