The android mp3 player features a 5.9-inch 1080P large screen and is equipped with a 5000mAh high-capacity battery. The DAC, I/V conversion, LPF, and output sections are designed with independent power supply lines to ensure pure power delivery without interference. The mp3 & mp4 players is equipped with 3.5mm and 4.4mm PO/LO and USB 3.1 interface, supporting USB DAC, coaxial, and LineOut outputs. This is also an MP3 player with Bluetooth and WiFi, supporting Bluetooth 5.0 and bidirectional Bluetooth transmission for Hi Res wireless audio transmission. With dual-band WiFi, it easily enables functions such as DLNA, AirPlay, and WiFi song transmission. Powered by the Qualcomm Snapdragon 665 processor, this music player runs on the Android 12 operating system with 4GB RAM and 64GB storage (expandable up to 2TB). It offers smooth operation and seamless performance on mainstream streaming music platforms. It globally bypasses the system's sample rate conversion (SRC), allowing third-party applications to enjoy high-bitrate lossless music. This player also supports the download and installation of third-party applications. This DAP player supports two modes for the headphone amplifier: A-class and AB-class, with a one-click software switch. The A-class mode provides stronger driving power, suitable for high-impedance multi-driver earphones or certain high-end headphones. The AB-class mode offers longer battery life, suitable for most in-ear headphones available in the market. The HiBy R6 PRO 2 audio player is equipped with AK4191+Dual AK4499EX DAC chips and a femtosecond audio oscillator, supporting the unfolding of audio formats such as DSD1024, PCM1536K, and MQA 16X. Paired with the unique ALLIN audio architecture, it enables the DAC to unleash its full performance potential, delivering clear, pure sound with accurate resolution and a wide dynamic range.