Active magnetic clamp- The EC Zero T has a new active magnetic design that continuously adjusts its position and pressure on the disc, effectively improving the stability of the spin, reducing undesired mechanical noise and vibrations of the CD drive. Custom CD system gapless CD playback- Built with a new compact CD drive system, ensuring a desktop-level performance, while providing gapless playback for all CDs. Advanced anti-shake systems smooth playback everywhere- Designed with increased focus on portable use, EC Zero T utilizes a range of systems that provide uninterrupted and skip-free CD playback while listening on the go. Vertical or horizontal position, walking or sitting down, the playback stability stays the same. Top-grade construction thoroughly tested at factory- Each unit undergoes a long testing procedure during production cycle, guaranteeing a perfectly balanced and stable CD mechanism, so critical for ideal disc rotation and audio reproduction. TPA6120A2 high-current op-amp- Balanced headphone amplifier based around a pair of our favorite TPA6120 op-amps, combined with Panasonic tantalum capacitors. The proven key to the natural sounding, yet highly powerful output of Shanling devices. Built-in battery on the go external power at home- The built in 5500mAh battery provides up to 8 hours of continuous listening anywhere! Connect a USB-C Power adapter to the EC Zero T, switching it into a dedicated External power mode to provide increased power output and preserving long-term battery condition. Robust Modern Construction Solid CNC construction Tempered glass lid Hardware volume slider Glass-protected tubes Intuitive UI