Model: FiiO M7

Operating System: Customized Android 7.0

Processor: Samsung Exynos 7270 SoC, 14nm FinFET process, dual-core ARM Cortex A53 (clocked at 1–1.4 GHz)

DAC (Digital-to-Analog Converter): ESS Sabre 9018Q2C

Amplifier: Integrated in ESS Sabre 9018Q2C

Display: 3.2-inch TFT touchscreen, 480 x 800 resolution, 292 ppiInternal

Storage: 2GB (4GB total, with 2GB reserved for the operating system)

RAM: 1GB (768MB available)

Expandable Storage: Single microSD card slot, supports up to 512GB

Bluetooth: Version 4.2, supports aptX, aptX-HD, LDAC, SBC (transmit); SBC (receive, with LDAC support via firmware update)

Bluetooth Chip: Samsung S5N5C10B01-6330

FM Radio: Built-in, uses headphone cable as antenna, Si4705 FM chip, supports 76–108 MHz bands

Audio Formats Supported: DSD64 (DFF/DSF), PCM up to 32-bit/384kHz, APE, FLAC, WAV, AIFF, AIF, WMA, ALAC, MP3, AAC, OGG

Output: 3.5mm single-ended headphone/line output

Output Power: 70mW @ 16Ω, 40mW @ 32Ω

Output Impedance: <2ΩFrequency

Response: 10Hz–90kHz (-3dB)

Signal-to-Noise Ratio (SNR): ≥117dB (A-weighted)Total Harmonic Distortion Noise (THD N): <0.004% (line out, -5dB sinusoidal signal); -115dB (ESS Sabre 9018Q2C)

Battery: 1,880mAh (some sources mention 1,180mAh), rechargeable

Battery Life: Up to 20 hours (headphone output), up to 30 hours (Bluetooth output), 40 days standby

Charging/Connectivity: USB Type-C (charging, file transfer, USB audio output, USB DAC functionality with firmware 1.0.4 or above)

USB Audio Output: Supports various sample rates, DSD up to DSD128 (requires separate micro-USB to USB Type-C cable)

Dimensions: 109 x 52 x 13 mm

Weight: 116gBuild: CNC-machined aluminum chassis, anodized, available in Black, Blue, Red, Silver; tempered glass touchscreen

PCB: 6-layer, 0.8mm thick, multi-stage
HDI (High-Density Interconnect) with blind and buried viasInput

Method: Multi-touch screen, virtual QWERTY keyboard, gesture operations (swipe up from bottom-left to return to previous menu, bottom-right to home menu)

Special Features:Hi-Res Audio certified by Japan Audio AssociationFM radio with automatic channel scanning

Bluetooth receiver mode for use as a high-quality Bluetooth amplifier

USB DAC functionality (after firmware update)10-band graphic equalizer (accessible via FiiO Music app)

Accessories Included: USB Type-C to USB-A cable, clear silicone case, tempered glass screen protector,m

Additional Notes:No Wi-Fi or third-party app support

Optimized for headphones/earphones with 16–100Ω impedance

Volume control: 60 steps, 0.5dB increment per step, tactile feedback via rotary wheel

These specs reflect the M7's focus on portability, efficiency, and high-resolution audio for both wired and wireless playback, targeting casual listeners and audiophiles alike.
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