| Main Unit |
| Name / Model No. |
M7 |
Operating System |
Deeply customized Android |
| CPU model |
Exynos 7270 14nm |
No. of cores |
2 |
| CPU operating frequency |
1.0GHz |
DAC |
ES9018Q2C |
| Keyboard |
Virtual QWERTY keyboard |
Input method |
Touchscreen |
| Special features |
LDAC，FM radio，clock，gestures operation |
User interface |
Deeply customized /FiiO Music |
| Chips used |
SoC: Samsung Exynos 7270 ， DAC：ES9018Q2C, FM chip：Si4705，Bluetooth chip：SAMSUNG S5N5C10B01-6330 |
| Connectivity |
| WiFi |
N/A |
Bluetooth |
Bluetooth V4.2 |
| Bluetooth transmit |
LDAC/aptX/aptX HD/SBC（required to update to FW1.0.4 or above, Available when playing on M7 or using M7 as USB DAC） |
Bluetooth receive |
SBC/LDAC (required to update to the latest firmware) |
| HWA（LHDC） |
Available when playing on M7 or using M7 as USB DAC (required to update to FW1.0.4 or above) |
USB |
TYPE C USB2.0 |
| FiiO Link |
Supoorted (required to update to the latest firmware) |
|
|
| Display screen |
| Display size |
3.2 inches |
Number of colours |
2.62 million colors |
| Display type |
TFT |
Viewable angle |
Full-view |
| Resolution |
480×800 |
Pixel density |
292 ppi |
| Touchscreen |
Yes |
|
|
| Storage |
| RAM |
768MB |
Total ROM |
4GB |
| Storage expansion type |
Micro SD card |
ROM available to user |
2GB |
| Maximum storage expansion |
512GB (only one micro SD card slot) |
|
|
| Buttons and ports |
| Buttons |
Side buttons + side volume wheel+ touchscreen |
Custom key mapping |
N/A |
| Headphone out |
3.5mm standard headphone output jack (shared PO/LO) |
Balanced output |
N/A |
| Line out |
3.5mm standard headphone output jack (shared PO/LO) |
USB connection |
TYPE C USB2.0（charging / data transfer） |
| Digital Coaxial/Optical out |
N/A |
|
|
| General |
| Color |
Black/Silver/Red/Blue |
Dimensions |
52mm×109mm×13mm |
| Weight |
About 116 g |
Volume control |
60 steps digital potentiometer |
| Recommended headphone impedance |
16~100 Ω |
Equalizer |
10-band EQ (±6dB), 9 presets+custom preset |
| Treble boost |
N/A |
Bass boost |
N/A |
| Balance control |
±5 dB |
Gain control |
N/A |
| USB DAC |
Asynchronous 192kHz/24bit (required to update to FW1.0.4 or above) |
USB Audio |
DSD64/128，DoP/D2P |
| Power specifications |
| USB power adapter |
DC 5V/2A recommended |
Battery |
Internal 1880mAh Li-polymer battery |
| Charging indication |
Red light indicates，blue light turns on after fully charged |
Charging time |
＜2.5 h（DC5V/2A） |
| Battery indication |
Yes (accurate battery % readings) |
|
|
| Battery Life & Test Conditions |
| 3.5mm headphone output：≥20 h |
| Volume |
15 |
Load |
M3 open earbuds (27 Ω) |
| EQ |
OFF |
Screen |
OFF |
| Test File |
MP3 44.1kHz/16bit |
|
|
| Bluetooth output：＞26 h |
| Volume |
60 |
Load |
32Ω |
| Test File |
MP3 44.1kHz/16bit |
Screen |
OFF |
| Battery life test file download link |
click here to download |
|
|
| Others |
| Firmware Upgrade |
Supported via zip file placed in internal storage or micro SD card |
Font size |
N/A |
| (*The product uses GPLv2 compliant firmware.) |
| Clock |
Supported |
Third-party apps support |
N/A |
| FM Index |
| Output power |
>20mW（76MHz） |
SNR |
>50dBA（76MHz） |
| >30mW（108MHz） |
>70dBA（108MHz） |
| THD+N |
＜0.3%（76MHz） |
Frequency response |
20Hz~4KHz（-3dB） |
| ＜0.1%（108MHz） |
| Covered region |
76－108MHz |
|
|
| Line output specifications |
| THD+N |
＜0.004% (1 kHz/10kΩ) |
SNR |
≥117dB (A-weighted) |
| Frequency response |
20Hz~90 kHz（-3dB） |
Noise floor |
＜3 uV |
| Channel separation |
≥100dB (1 kHz) |
Line level |
＞1.2Vrms （10 kΩ/1 kHz） |
| Headphone out specifications (3.5mm headphone out jack) |
| Output power 1 |
≥70mW（16Ω / THD+N＜1%) |
Output impedance |
＜2 Ω（32Ω loaded） |
| Output power 2 |
≥40mW（32Ω /THD+N＜1%) |
THD+N |
＜0.004% |
| Frequency response |
10Hz~90 kHz（-3dB） |
Peak output voltage |
3.35 Vp-p |
| SNR |
≥117dB (A-weighted) |
Noise floor |
＜3 uV |
| File format support |
| Lossless: |
DSD：DSD64（“.dsf”,“.dff”） |
| APE - FAST：192kHz/24bit（MAX.） |
| Apple Lossless：192kHz/24bit（MAX.） |
| AIFF：192kHz/24bit（MAX.） |
| FLAC：192kHz/24bit（MAX.） |
| WAV：192kHz/24bit（MAX.） |
| WMA LOSSLESS：96kHz/24bit（MAX.） |
| Lossy compression: |
AAC、MP3、WMA、OGG... |
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