【Entry-level Android DAP with Class A headphone amplifier】HiBy R5 gen 2 digital audio player with Class A headphone amplifier circuit supports DAC direct output and DAC+Class A discrete device two output modes. With discrete output stage design, THD is down at 0.0006% at the amplified output for unparalleled realism. 【Dual DAC hi res audio player】R5 GEN 2 High Resolution audio player has built-in dual high-performance ES9219C DACs with native support for DSD256, PCM768kHz/32bit, 130dB signal-to-noise ratio, THD+N below -112dB. Dual independent crystal oscillators and FPGA clock algorithm provide high precision timing. 【Everything just to bring good sound to you】This mp3 player uses 163 high-precision resistors, 19 tantalum POSCAPs, and 4 electrolytic capacitors maximally suppresses power supply ripple, yielding silky black backgrounds. Audio components, regardless of cost, naturally paved the way for premium sound. 【Android HiBy OS】This audio and video player is an entry-level Hi Res sound quality Android DAP, which can be downloaded and installed third-party applications. combined with our self-developed professional music player system HiBy OS, which globally bypasses Android SRC for lossless music source output! 【MP3 MP4 player with Bluetooth and wifi】Two-way Bluetooth, while supporting UAT, LDAC, aptX, aptXHD, AAC, SBC a variety of high-definition Bluetooth encoding. Connect the player via WiFi or Bluetooth, with HiBy link function, you can remotely control the player playback, volume adjustment, song list management, etc. in your cell phone! 【Lossless music player】This music player supports playing mp3,wav,ape,flac,dsfdff,iso,cue,wma,ogg,aac,opus,aiff and other formats. Support MQA 16X unfolding, in addition to 4-color breathing light to indicate the type of music files played, as well as the charging and battery status. 【Multi-interface player】This player is equipped with PO3.5mm/BAL4.4mm/2.5mm headphone jack, and both support low power consumption / Class A ear amplifier two output modes. The USB C interface for USB DAC input/output and SPDIF output, supporting OTG. with a micro SD card insertion slot, supporting the insertion of micro SD cards within 2TB, no card tray can be inserted directly. 【Large capacity battery & QC3.0 fast charging】HIFI MP3 player with 4500mAh battery can produce more than 35 hours of playback time* (*in economy mode), and even in Class A amplification mode can provide 10 hours of playback time. For non-artificial damages, 1 year free repair service is provided from the date of purchase