Teenage Engineering OB-4 Magic Radio/Recorder/ Speaker

The OB–4 is a compact Bluetooth speaker by Teenage Engineering with long battery life and features like a built-in antenna and looping capabilities.

• The description claims the speaker has deep bass and crystal clear audio.
• The description claims it can continuously loop and time-stretch audio.
• The description claims it offers 72 hours of radio listening or 40 hours via Bluetooth on a single charge.