2x (Astronauta Altoparlante Bluetooth Sveglia Digitale Radio FM A W6S6)1926
Bluetooth version: 5.1+. Bluetooth distance:straight line barrier-free 5-15M. Audio output power:6W (). 360° sealed sound chamber design chamber isolates 99% of noise. Number of speakers:1. Frequency range:50 HZ-20 KHZ.