Hi-Fi Speakers
Edifier R1850DB Active Bookshelf Speaker with Bluetooth and Optical Input, 2.0 Studio Monitor Speaker, Built-in Amplifier with Subwoofer Output, Black R1850DB-BLK
Bluetooth, 70 W RMS, 60 Hz - 20 kHz.
https://www.bizrate.co.uk/hifispeakers/edifier-r1850db-active-bookshelf-speaker-oid10494021144.html