Music file in TF card might
have been removed or deleted,
causing the playback error
USB DAC
cannot be
recognized
The driver has not been
installed or setup properly; PC
music playback software has
not designated this device as
playback output.
Install appropriate USB Audio
driver and select N3 as system
output device as your music
playback software on your
computer
hold power until the player
reboot itself or use a non-metal
pin to activate reset button
directly
13. Technical Specifications
Recommended Headphone
Impedance Range
2500mAh 3.8V Lithium ion polymer
~3HRS (with 1.5-2A Charger, not
provided)
≤1500mA when charge with 2A Charger,
≤500mA when charge with computer USB
port
20Hz-20kHz (±0.2dB,Fs=192kHz)
5Hz-50kHz (±2dB, Fs=192kHz)
0.03% (kHz,Fs=44.1kHz;
20Hz-20kHz, A-Weighted)
108dB (20Hz-20kHz, A-Weighted)
108dB (20Hz-20kHz, A-Weighted)
20Hz-20kHz (±0.2dB, Fs=192kHz)
5Hz-50kHz (±2dB, Fs=192kHz)
0.03% (1kHz, Fs=44.1kHz;
20Hz-20kHz,A-Weighted)
108dB (20Hz-20kHz,A-Weighted)
108dB (20Hz-20kHz,A-Weighted)
Asynchronized USB Audio 2.0 Class
Up to DSD128 (Native or DoP)