Known for the sleek design & exceptional audio quality, the Prisma by Edifier has received a feature upgrade that turns this award-winning speaker system into a must-have accessory for the tech-savvy audio enthusiast. The Prisma features a built-in Bluetooth receiver that can sync with any Bluetooth enabled device to stream music wirelessly & seamlessly within a range of 10 meters. The Bluetooth feature removes the need for audio connecting cables, keeping surface & desktop clutter at a minimum. The Prisma is also equipped with two auxiliary input ports for connectivity to devices without Bluetooth capabilities, located on the subwoofer & the wired remote. The Wired remote also features a headphone-out port enabling a personal audio experience. There is a master volume on the wired remote & a separate bass adjustment dial on the subwoofer control this 48watt RMS speaker system.