Purchased from e-earphone in January 2025. No operational issues. Includes the main unit, leather case, and USB C cable as shown in the photos. Used infrequently and in good condition, but please consider this a used item. ■ Specifications USB Interface Chip: XMOS XU316 USB DAC: PCM 768kHz/32bit, DSD512 (Native), MQA Full Decode USB DAC Operation Modes: ・USB Audio Class 1.0 mode (no driver required) ・USB Audio Class 2.0 mode (driver installation required, full-spec playback possible) Bluetooth Chip: QCC5181 Bluetooth Version: 5.4 Supported Bluetooth Codecs: AAC/SBC/aptX/aptX Adaptive/aptX Lossless/aptX HD/LDAC DAC Chip: ES9069Q x2 Display: 1.3-inch, 40 x 240 pixels, IPS panel Continuous Playback Time: Approximately 8 hours (when using LDAC) Charging Time: Approximately 2 hours Single-ended Output: 280mW (32Ω, THD+N < 1%) Balanced Output: 650mW (32Ω, THD+N < 1%) Frequency Response: 20Hz～80kHz (<3dB) S/N Ratio: ≥126dB (USB input, desktop mode, A-weighted) THD+N: <0.00035% (USB input, desktop mode, balanced output) Size: Approximately 16.3 x 41.2 x 86.6mm Weight: Approximately 73.4 g Accessories: ・Dedicated leather case ・USB Type-C to Type-C cable ・PET protective film (already applied)