Immersive Hi-Fi Music Experience, this high-resolution audio player features a built-in dual ES9219C DAC chip, supporting native DSD 256 playback, PCM 384kHz/32bit, and MQA 16X decoding. It delivers exceptional audio quality, immersing you in the world of pure, high-fidelity music. Non-Android System with Smooth Operation, Powered by the HiBy OS, specifically designed for Hi-Fi players, this device ensures smooth and stable performance. It comes pre-installed with Tidal and Qobuz apps, supporting online streaming and internet radio for high-quality music on the go. MP3 Player with Bluetooth and Wi-Fi for Wireless Freedom, With a built-in BT 5.1 module and 2.4G Wi-Fi, this player supports AAC, SBC, LDAC, UAT output and input, as well as APT-X output. Wi-Fi functionality also enables song transfers. Multi-Functional Audio Player: Supports PO 3.5mm + BAL 4.4mm output, USB-DAC IN/OUT, and SPDIF USB output. It serves as a digital audio source, Bluetooth receiver headphone amplifier, USB DAC, Bluetooth adapter, and more. Portable music player with a 3.2-inch touchscreen and scroll wheel, compact and portable, with a 2000mAh battery for more than 16 hours of continuous playback. It also supports the insertion of microSD cards compatible with FAT xFATNTFS format, with a capacity of up to 2TB, and it is recommended to format the card if it is not recognized by the player after insertion. Volume Lock & Unlock: The player comes with a volume lock feature. To unlock: System Settings → About → Developer Mode, tap the system serial number 5 times → Exit About → Developer Options → Volume Lock → Disable. UI Themes & Firmware Upgrade: New dark theme UI available. After updating to the latest firmware, the dark theme can be used. Firmware upgrade path: System → Firmware Upgrade → OTA upgrade. Warranty & Support: A one-year warranty is provided for the player body against non-user-related damage, starting from the purchase date. Please contact customer support if you encounter any issues. High-Resolution Audio Player with Dual DAC，Featuring a built-in dual DAC ES9219C chip, this player supports DSD 256 native, PCM 384kHz/32bit, and MQA 16X playback. This audio player offers exceptional audio quality, immersing you in the world of high-fidelity music.