R4 MP3 & MP4 Player Spotify Player with Bluetooth and WiFi 4-Way HiFi DAP Android 12 OS 3.5mm PO+4.4mm Bal 32G+2TB Scalable Memory

This MP3 and MP4 player, powered by the SD665 octa-core processor and Android 12, delivers smooth performance. It employs system-wide SRC bypass technology to preserve original audio quality. As a music player, it serves as a streaming device for services such as Spotify, Pandora, and Tidal. It also operates as an MP4 player for YouTube, Twitter, and more. With 3GB RAM, 32GB ROM, and expandable storage up to 2TB, it accommodates your media storage requirements. Explore the R4, a genuine HiFi MP3 player equipped with 4 DAC chips, 2 dedicated low-phase noise crystals, and 28 high-precision Tantalum capacitors, along with an integrated Class A headphone amplifier. This sophisticated design improves audio resolution and dynamic range while minimizing sound distortion, ensuring silent backgrounds, distinct musical details, and robust output. Certified for both Hi-Res Audio and Hi-Res Audio Wireless, the R4 provides the authentic HiFi experience. This Hi-Res Audio Player supports playback of up to DSD 256 native, PCM 768kHz/32bit audio specifications, and MQA 16X unfolding. It is the first to utilize PCM/DSD dual circuitry in a portable music player, with independent operation of DAC, low-pass filters, and power supplies. This enables automatic adjustment for different music files, optimizing audio output. The DSD circuitry specifically lowers high-frequency noise, greatly improving the listening experience. This MP3 player includes 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. It also incorporates dual-band WiFi (2.4GHz and 5GHz), allowing the download and installation of third-party apps when connected. Furthermore, it supports DLNA, AirPlay, and WiFi song transfer. This digital audio player features a distinctive exterior design and a 4.7-inch high-definition LCD screen. It is fitted with a large 4500mAh battery for prolonged usage. Offering flexible connectivity, it includes both a 3.5mm single-ended and a 4.4mm balanced dual interface. Physical FN keys offer quick access to functions like key lock and screen rotation