This MP3 & MP4 player, equipped with the SD665 octa-core processor and Android 12, ensures smooth performance. It uses system-wide SRC bypass technology to maintain original audio quality. As a music player, it can be streaming player like Spotify player, Pandora and Tidal player. It also functions as an MP4 player for YouTube, Twitter, and more. With 3GB RAM, 32GB ROM, and expandable storage up to 2TB, it meets all your media storage needs. Discover the HiBy R4, a true HiFi MP3 player featuring 4 DAC chips, 2 dedicated low-phase noise crystals, and 28 high-precision Tantalum capacitors, alongside an integrated Class A headphone amplifier. This advanced design enhances audio resolution and dynamic range while reducing sound distortion, ensuring quiet backgrounds, clear musical details, and powerful output. Certified for both Hi-Res Audio and Hi-Res Audio Wireless, the HiBy R4 delivers not just music, but the true HiFi experience. This Hi res Audio Player supports playback of up to DSD 256native, PCM768kHz/32bit audio specifications, and MQA 16X unfolding. It pioneers the use of PCM/DSD dual circuitry in portable music player, with independent operation of DAC, low-pass filters, and power supplies. This allows automatic adjustment for different music files, optimizing audio output. The DSD circuitry particularly reduces high-frequency noise, enhancing the auditory experience significantly. MP3 player with Bluetooth and WiFi capabilities, featuring Bluetooth 5.0 with two-way communication. It supports various high-definition Bluetooth codecs including UAT*, LDAC, aptX, aptX HD, AAC, and SBC. this bluetooth mp3 player also includes dual-band WiFi (2.4GHz and 5GHz), enabling the download and installation of third-party apps when connected. Additionally, it supports DLNA, AirPlay, and WiFi song transfer via WiFi. This digital audio player boasts a unique and distinctive exterior design, along with a 4.7-inch high-definition LCD screen. It comes equipped with a large 4500mAh battery for extended usage. Offering versatility in connectivity, it features both a 3.5mm single-ended and a 4.4mm balanced dual interface. Physical FN keys provide quick access to functions like key lock and screen rotation. These advanced audio players are designed for audiophiles and enthusiasts, offering cutting-edge features. The MP3 & MP4 player, powered by an SD665 octa-core processor and Android 12, ensures smooth performance with SRC bypass technology for pristine audio quality. It functions as a streaming and MP4 player with up to 2TB expandable storage. The HiBy R4 sets a HiFi standard with 4 DAC chips, dual-phase noise crystals, and a Class A headphone amplifier, certified for Hi-Res and Hi-Res Wireless Audio, delivering exceptional fidelity. The Hi-Res Audio Player supports native DSD 256, PCM768kHz/32bit, and MQA 16X, featuring innovative PCM/DSD dual circuitry for superior playback. A Bluetooth MP3 player integrates Bluetooth 5.0, various codecs, and dual-band WiFi for app downloads and streaming via DLNA, AirPlay, and WiFi transfer. Additionally, a digital audio player includes a 4.7-inch HD LCD, a 4500mAh battery, dual audio interfaces, and FN keys for quick function access.