![Sony WM-EX670 Groove. It's a tiny bit larger than a cassette case. Working perfectly. Just scored a 'gumstick battery' for it too. : r/cassetteculture Sony WM-EX670 Groove. It's a tiny bit larger than a cassette case. Working perfectly. Just scored a 'gumstick battery' for it too. : r/cassetteculture](https://preview.redd.it/wg5od7a35e571.jpg?width=1536&format=pjpg&auto=webp&s=f4dad5ed244adc6aa26bde018a0a97cbd9976d6d)
Sony WM-EX670 Groove. It's a tiny bit larger than a cassette case. Working perfectly. Just scored a 'gumstick battery' for it too. : r/cassetteculture
![Sony WM-EX670 Groove. It's a tiny bit larger than a cassette case. Working perfectly. Just scored a 'gumstick battery' for it too. : r/cassetteculture Sony WM-EX670 Groove. It's a tiny bit larger than a cassette case. Working perfectly. Just scored a 'gumstick battery' for it too. : r/cassetteculture](https://preview.redd.it/gzypt7a35e571.jpg?width=2048&format=pjpg&auto=webp&s=aa740c8aeac42e58b220ee70dfc4409448d0dfb5)
Sony WM-EX670 Groove. It's a tiny bit larger than a cassette case. Working perfectly. Just scored a 'gumstick battery' for it too. : r/cassetteculture
![Amazon.com: HQRP Battery Compatible with Sony NW-MS9 NW-MS11 TCM-80V WM-EX190 WM-EX615 WM-EX670 WM-EX672 MZ-R55 MZ-R90 MZ-R91 MZ-R900 MZ-R900PC MZ-R900DPC MZ-RH10 MZ-RH910 Portable CD/MD / MP3 Player : Electronics Amazon.com: HQRP Battery Compatible with Sony NW-MS9 NW-MS11 TCM-80V WM-EX190 WM-EX615 WM-EX670 WM-EX672 MZ-R55 MZ-R90 MZ-R91 MZ-R900 MZ-R900PC MZ-R900DPC MZ-RH10 MZ-RH910 Portable CD/MD / MP3 Player : Electronics](https://m.media-amazon.com/images/I/81Q6e-Y6u3L.jpg)