Marshall Stanmore Wireless Bluetooth Stereo Speaker System - Pitch Black (Certified Refurbished) Multiple connection sources, including Bluetooth wireless, 3.5 mm auxiliary, RCA connector, or optical mini-jack Compact size that's a perfect fit for small spaces you need to fill with big sound Classic Marshall aesthetic with script logo, black vinyl casing, and vintage-inspired fret grille cloth Advanced components deliver an accurate response throughout the frequency range for no-compromise audio