Portable HIFI MP3 Player Music Walkman Dual ESS9038Q2M DAC Two Way Bluetooth 5.2 LDAC Format DSD512 Decoding Balanced Output

Mastering Lossless DSD256 24BITHIFI Player 4.5 inch large screen dual Bluetooth OTGU disc Walkman Product Parameter CPU: 4-core ARM Cortex - A35, 64 - bit architecture

Storage medium: Built - in 64G eMMC memory, external up to 2TB TF card memory

Supported operating systems: VISTA/MAC OS/WINDOWS XP/7 and above, Linux system

System of this device: LROS System

Screen size: 4.5 - inch multi - touch IPS screen

Resolution: 480×854

Bluetooth: Bluetooth 5.2

High - definition Bluetooth protocol: LDAC/AAC/SBC

DAC: double ES9038Q2M DAC

USB DAC: Supports USB DAC function for mobile phones and computers

USB Host: Supports external U disk, solid - state drive, mechanical hard disk

Language support: Multiple languages

Audio output: 3.5mm single - ended output, 4.4mm BAL balanced output

OTG function: Supported

Audio formats: MP3/WMA/WAV/APE/FLAC/ACC/OGG/AIFF, DTS/DSD (DSD512/ISO), and other lossless file formats

Battery charging time: About 2.5 hours (using 5V/2000mA charger)

Playing time: About 7 hours for wired headphone mode, about 18 hours for Bluetooth mode

Playback settings: Loop playlist/Play single song/Random play/List loop

Volume adjustment: Supports stepping point adjustment

Signal - to - noise ratio: ≥120db

Total harmonic distortion: ≤0.009%

Sound pressure level: 75db

Frequency range: 20Hz - 90KHz

Volume control: 100 - level digital volume control mode

Output gain adjustment: Supports high gain and low gain switching

Digital filter: Supports 5 digital filters

High - gain output power: 3.5mm single - ended: 2.85Vrms 253mW @ 32Ω; 4.4mm BAL balanced: 5.7Vrms 1015mW @ 32Ω

Low - gain output power: 3.5mm single - ended: 1.35Vrms 56mW @ 32Ω; 4.4mm BAL balanced: 2.7Vrms 227mW @ 32Ω

USB port: Type - C

Battery specification: 4000mAh polymer battery

Operating temperature/humidity: 0℃ - 45℃, 45% humidity