Operating Name / Model No. M6 Customized System
CPU model Exynos 7270 14nm No. of cores 2
CPU operating 1GHz DAC ES9018Q2C frequency
Virtual QWERTY Keyboard Input method Multi-touch screen keyboard
WiFi Streaming， LDAC/HWA/aptX/aptX Special features HD/SBC Bluetooth User interface Customized/FiiO Music support，Airplay with Apple devices，FiiO Link
SoC: Samsung Exynos 7270 ， DAC：ES9018Q2C,，Bluetooth chip： Chips used SAMSUNG S5N5C10B01-6330
Connectivity
2.4G，WiFi transmission WiFi Bluetooth 4.2 supported
LDAC/HWA/aptX/aptX HD/SBC (HWAAvailable Bluetooth when playing on M6, USB TYPE C Two-way USB2.0 transmit other codecs available when playing on M9 and using as USB DAC)
SBC/LDAC (required to Available when playing Bluetooth HWA（LHDC） update to the latest on M6 receive firmware) Supports Windows for AirPlay Supported DLNA now, will support more in the future
FiiO Link Supported
Display screen
Number of Display size 3.2 inches 1600W colours
Viewable Display type LG IPS screen Full-view angle
Pixel Resolution 480×800 292 density(PPI)
Touchscreen 5-finger multi-touch
Storage
RAM 768MB ROM 4GB
ROM Storage expansion Micro SD card available to 2GB type user
Maximum storage Theoretically 2TB (only expansion one micro SD card slot)
Buttons and ports
Physical button+Side Button Buttons volume scroll+Touch N/A customization screen Two-way TYPE C USB2.0（ Headphone out 3.5 mm headphone jack USB Charging/Data (PO) transmisson/USB DAC/USB Audio）
3.5 mm port（shared PO Line out (LO) SPDIF output N/A ）
General
53.3mm×92.5mm× Color Black Dimensions 11.5mm
Volume 120 steps +/- button Weight about 83g control control
Recommended 10-band EQ (±6dB), 9 headphone 16~100Ω Equalizer presets+custom preset impedance
Treble control N/A Bass boost N/A
Balance control ±5dB Gain control N/A
Asynchronous USB DAC USB Audio DSD64/128，DoP/D2P 192kHz/32bit
Power specifications
Battery 1200mAh Li-polymer USB power adapter DC 5V/2A recommended capacity battery
Large charging icon shows on display when Charging Charging indication ＜2.5h（DC5V/2A） it's off, small charging time icon shows on upper right of display when it's on
Yes (accurate battery % Deep sleep Battery indication 26 days readings) time
Battery Life & Test Conditions
3.5mm headphone output：＞13h
M3 open earbuds (27 Ω Volume 57 Load )
Screen OFF Test File MP3 44.1kHz/16bit
EQ OFF
Bluetooth output：＞15h(SBC)
Volume 120 Load BTR1+FH1
Screen OFF Test File MP3 44.1kHz/16bit
Others
Supports both via zip file Firmware Upgrade Font size N/A and OTA
Preinstalled：FiiO Music, Netease Music, MOOV, Tidal, KKBOX APP whitelist：Spotify Third-party Firmware Upgrade Supported 、Qobuz、Roon、 apps support Deezer，QQ Music、 Xiami Music、JOOX、 ES file manager、 Bandcamp、Sony headphones、Himalaya 、Amazon Music、 Radio World、 SoundCloud、 TuneIn Radio (copy the apk file to Micro SD card or internal storage to install)
Line output specifications
THD+N ＜0.002%（1kHz/10kΩ） SNR ≥117dB (A-weighted)
Frequency 10Hz~80 kHz（-3dB） Noise floor ＜3uV response
Channel separation ＞112dB Line level 1.5V
Headphone out specifications 1（3.5mm port）
≥110mW（16Ω / THD+N Output Output power 1 ＜2Ω ＜1%) impedance
≥70mW（32Ω /THD+N Output power 2 THD+N ＜0.002%（1kHz/32Ω） ＜1%)
≥7mW（300Ω / THD+N Output power 3 Separation ＞75dB ＜1%)
Frequency Peak output 10Hz~80 kHz（-3dB） 4.245Vp-p response voltage
SNR ≥118dB (A-weighted) Noise floor ＜3uV
File format support DSD：DSD64，128（iso”“.dsf”,“.dff”） APE(Fast): 192 kHz/24 bit APE(Normal): 192 kHz/24 bit APE (High): 192kHz/24 bit APE (Extra High): 48kHz/24 bit APE (Insane): 48kHz/24 bit Lossless: FLAC: 192 kHz/24 bit WAV: 192 kHz/64 bit Aiff：192 kHz/24 bit Aif:192 kHz/24 bit WMA Lossless: 96 kHz/24 bit Apple Lossless: 192 kHz/24 bit
Lossy compression: MP3，OGG，WMA，AAC...