![Amazon.com: Teenage Engineering OB–4 Portable Bluetooth Wireless Stereo Speaker with fm-Radio and Long-Lasting, Rechargeable 40 Hour Battery Life, Black : Electronics Amazon.com: Teenage Engineering OB–4 Portable Bluetooth Wireless Stereo Speaker with fm-Radio and Long-Lasting, Rechargeable 40 Hour Battery Life, Black : Electronics](https://m.media-amazon.com/images/I/712cZpichVL.jpg)
Amazon.com: Teenage Engineering OB–4 Portable Bluetooth Wireless Stereo Speaker with fm-Radio and Long-Lasting, Rechargeable 40 Hour Battery Life, Black : Electronics
![Amazon.com: Teenage Engineering OB–4 Portable Bluetooth Wireless Stereo Speaker with fm-Radio and Long-Lasting, Rechargeable 40 Hour Battery Life, Black : Electronics Amazon.com: Teenage Engineering OB–4 Portable Bluetooth Wireless Stereo Speaker with fm-Radio and Long-Lasting, Rechargeable 40 Hour Battery Life, Black : Electronics](https://m.media-amazon.com/images/I/91A2g5swkcL.jpg)
Amazon.com: Teenage Engineering OB–4 Portable Bluetooth Wireless Stereo Speaker with fm-Radio and Long-Lasting, Rechargeable 40 Hour Battery Life, Black : Electronics
![Teenage Engineering OB-4 Magic Radio Portable Stereo Speaker with Built-in Loop Recorder and Tape Transport: Amazon.co.uk: Electronics & Photo Teenage Engineering OB-4 Magic Radio Portable Stereo Speaker with Built-in Loop Recorder and Tape Transport: Amazon.co.uk: Electronics & Photo](https://m.media-amazon.com/images/I/51HuJWiKaDL._AC_UF1000,1000_QL80_.jpg)