TThe Astrum SU125 USB Multimedia Speakers are compact and lightweight, making them ideal for desktop computers and laptops. With 2×3W RMS output for clear acoustic sound and low distortion, they deliver reliable audio performance for movies, games, and music. Powered via USB, simply plug into your PC’s USB port and connect the 3.5mm aux input for instant sound. Featuring in-wire volume control and support for AUX, USB, microSD, and FM radio, these versatile speakers provide hassle-free audio enjoyment. Features USB-powered speaker In-wire volume adjustment and control 3.5mm Aux-in for all audio outlets Supports AUX-in, USB, microSD, and FM radio Technical Specifications Input: DC 5V Output: 2 × 3W RMS (6W total) Frequency Response: 90Hz – 20kHz Impedance: 4Ω Channel: 2.0CH stereo Warranty: 24 Months