- These stereo speakers provide clear sound with a compact design thats great for small spaces - Easily access all controls, including the headphone jack, on the right speaker Specifications - Total Watt (RMS): 3W - 3.5 mm input: 2 (up to 1080p) - Headphone jack: 1 - Controls: Power and volume control on the right speaker - System Requirements: Works with any device with a headphone jack 3.5 mm input including (Television, Computer, Smartphone, Tablet, Music player)