Frisby FS-P125S. RMS rated power: 6 W, Frequency range: 20 - 200 Hz. Connectivity technology: Wired, Interface: 3.5 mm, Headphone connectivity: 3.5 mm. Colour of product: Silver, Housing material: Aluminium, LED indicators: Power. Recommended usage: Universal, Compatible memory cards: MicroSD (TransFlash). Power source type: Battery, Battery voltage: 5 V