Models M3 Pro M3K
Materials and
ports		 Material aluminium alloy+double-sided glass aluminium alloy+stalinite
Dimensions 95.8mmx45.4mmx10.4mm 90.8mm×44.2mm×12mm
Weight about 70g about 77.5g
Color Black Silver/Black
Button side button+touch screen physical button+touch button
USB port Type-C Micro USB
Line out 3.5mm /
PO out 3.5mm 3.5mm
Microphone Silicon microphone /
TF card 2TB(theoretically) 2TB(theoretically)
Electronic configuration SoC Ingenic X1000E Ingenic X1000E
Display screen 3.46 inches, RGB340x800 2.0 inches, 240x320
Audio DAC ES9218PC AK4376A
Battery capacity 1000mAh 1100mAh
Performance Recommended headphones/ Drive ability 16~100Ω(recommended) 16~100Ω(recommended)
Output power 32Ω load：75mW
16Ω load：92mW
300Ω load：8mW		 32Ω load：23mW
16Ω load：46mW
16Ω load：42mW
300Ω load：2.6mW
LO noise floor ≤2μV（A-weighted） ≤2μV（A-weighted）
LO SNR 117dB 117dB
LO level 1.55V none
Crosstalk 78dB/78dB 73dB/73dB
Balance ＜0.1dB 0.1dB
Output impedance Ro=0.3Ω (32Ω load) Ro=0.3Ω (32Ω load)
Sample rate&Format PCM: 384KHz
DSD: 5.6MHz		 PCM: 384KHz-32bit
DSD: 2.8MHz
DSD Native DSD128 decoding DSD64 decoding
File view Supported Supported
Recording Supported Supported
eBook Supported /
Calculator Supported /
Gallery Supported /
Charging time ＜2 h
(DC5V/2A)		 ＜2.5 h
(DC5V/2A)
Battery life ≥15h ≥24h