Trust Audio Dixxo Wireless Bluetooth Speaker - grey (TRS-20419) - Frequency response: 20 Hz - 20000 Hz, Light type: LED illumination, Power output (RMS): 10 W, Battery Life 15 hours, Input Power source: micro-USB, battery, Audio input Bluetooth, Line-in, SD card, USB, Built in Microphone, Compatible Device Types: Smartphone, tablet, Connectivity: Wireless Bluetooth 2.1, Color: grey