If connectivity is your main concern, then the QDZ Hott personal CD player is about as versatile as they come. It includes a 3.5mm jack for headphones, and also helpfully bundles a pair of earbuds in with the CD player. Not only that, but a 3.5mm aux cable is also included to connect to older car speaker systems or standalone hi-fi systems.
If you’re a fan of wireless headphones, the Hott also has you covered, with Bluetooth connectivity. That also means it can connect to the majority of modern car speaker systems, but as a backup, there’s also a built-in FM transmitter as a fourth means of connection. The CD player is powered by a 1800mAh rechargeable battery for all-day playback, and there’s anti-skip protection so bumps in the road won’t be an issue. The Hott’s wide variety of connectivity options do come at a relatively steep cost: at a retail price of $129.99, there are plenty of cheaper personal CD players out there. The good news is that the system can often be found on sale, and at the time of writing, is available on Amazon for $71.83.