Logitech Megaboom 3. Driver diameter: 5 cm. Frequency range: 60 – 20000 Hz, Signal-to-Noise Ratio (SNR): 90 dB. Connectivity technology: Wired & Wireless, Bluetooth range: 45 m. Product colour: Blue, Product design: Cylinder, International Protection (IP) code: IP67. Recommended usage: Tablet / Smartphone