M3

Condition: New product

Digital Portable Music Player

Lighten Your Music World

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General Specifications
Model/Number	M3	Headphone Port	Standard 3.5mm Headphone Port
Color	Ivory white, Blue, Black, Cyan	Drive Ability	16~100 Ω
Dimensions	74 mm× 39.7 mm× 9.1 mm	Volume Control	60 steps digital potentiometer
Weight	40 g	Equalizer	5-band equalizer (±6dB)
Display Screen	2.0", TFT screen with 240x320 pixels	Treble	N/A
Line Out	N/A	Bass	N/A
Digital Out (Coaxial)	N/A	Balance	10 dB
USB DAC	N/A	Gain	N/A
Partial Performance Parameters for Headphone Output
Output Power 1	>50 mW（16Ω//THD+N＜1%)	Output Impedance	＜0.4Ω（32Ω）
Output Power 2	>30 mW（32Ω/THD+N＜1%)	Crosstalk	＞70 dB (1 kHz)
SNR	≥95 dB (A-weighted)	THD+N	＜0.008% (1 kHz)
Frequency Response	8 Hz~47 kHz（-3dB）	MAX Output Voltage	＞2.8 Vp-p
Power and Battery
Power	DC5V ≥500mA (Recommended)	Battery Capacity	550 mAh
Charge Display	Battery gauge moves until fully charged	Battery Display	Yes
Battery Life	＞24 h	Charging Time	＜2.5 h
Battery Life Test Conditions
Screen	OFF	Load	M3 open earbuds (27 Ω)
Volume	22	EQ	OFF
Test File	MP3 44.1kHz/16bit (download link)
Audio Formats Supported
Lossless:	APE(Fast): 48 kHz/16 bit； APE(Normal): 48 kHz/16 bit； APE (High): 48 kHz/16 bit； FLAC: 48 kHz/24 bit； WAV: 96 kHz/24 bit;
Lossy compression:	MP3 / WMA / OGG / M4A (excl. raw .AAC, HE-AAC coding and .m4a encrypted ALAC)
Chips used
SoC: ATJ2129 , DAC: CS42L51