Retro Revival Listening to Great Oldies

A variety of fun Uls, changeable with a single press A dynamic Ul that simulates a tape turning, bringing the classics to life; The blurry memories of listening to tapes in the past start to become clearer.

Two Classic Colors Truly Stylish

Classic white and blue colors can be decorated with personalized stickers for an even more vintage feel; Add your own lanyards and stickers for a stylish appearance that is uniquely yours.

Endless Power Unlimited Battery Life

The replaceable and rechargeable 3.7V lithium battery lasts up to 7.5 hours on a single charge; Out of power? Simply swap for a freshly-charged battery and keep going.

Endless Usage Even Without a Battery

The USB port provides independent power, making it easy to activate the device. Just plug and play! Enjoy music in your car without fear of extreme temperatures; connect with speakers without worrying about battery aging or degradation.

Specially Tuned Retro Sound Presets Sound of Past Eras

Included are 8 sound presets, including retro-sounding presets that give off the sound of past eras; Supports DIY tuning on the companion app or on the web, allowing you to easily tune to your own musical style.

Bluetooth/Wired Modes Easily Switch Between Multiple Devices

Simply power it on with a single touch. It supports connections with phones, tablets, computers, and other devices via Bluetooth and a USB Type-C data cable. Double press the multi-function button to easily switch between Bluetooth (BT), computer (PC), and PHONE modes.

Getting to The Heart of Music Thanks to a Great "Core"

It is equipped with a Qualcomm QCC5125 that allows support for Bluetooth 5.1 as well as the LDAC/aptX Adaptive/aptX LL audio codecs. 96kHz high-res audio is possible in both Bluetooth and wired modes for noticeably improved sound.

Dual Headphone Jacks In-line Control Support

Besides the traditional 3.5mm headphone jack, the device also sports a 4.4mm headphone jack for even greater compatibility. The 3.5mm jack supports in-line controls of the CTIA protocol, allowing you to easily listen to music, take calls, play games, and other tasks.

Nano-Sized Mega Capable

It features a compact body that you can easily take anywhere; Two high-performance DACs are combined with amps generating up to 220mW of power for an enjoyable listening experience.

Intelligent App Connection Unlocking Greater Possibilities

It supports being connected to the FIlO CONTROL APP to unlock even more functionality, and also supports OTA updates for even more possibilities.

Unlimited Ways to Play Get it all Here

• Turn on car mode to make every journey fresh and exciting
• Improve the audio coming from your computer and enjoy more immersive music, videos, and games
• Turn on the computer or phone mode and to make the audio from your PS5, Switch, and other gaming consoles even more immersive
• Connect to active speakers to instantly turn them into Bluetooth speakers, for more convenient and enjoyable listening

Specifications:

General Specifications:

• Name/Model: RETRO NANO
• Hardware Solution: DAC: CS43131*2, USB, Bluetooth Chip: QCC5125
• Volume Control: Physical Button
• Weight: About 28.3g (with battery)
• Dimensions: About 55.1×37.5×13.7mm
• Driver-free Mode (Switch Mode): Supported
• Phone Decoding (USB Dongle Mode): Supported (switch work mode to Phone position)
• Microphone Function: Supports Bluetooth voice calls, built-in omnidirectional microphone supports in-line control for CTIA mic
• Channel Balance: <0.2dB
• Gain: L/H
• FIIO Control: Supports settings through the app
• Deep Standby Mode: If no connection, auto-enter standby mode after 5 minutes
• Status Indicator: Display indicates the transmission codec, charging, battery level, volumesampling rate, EQ, and menu
• Bluetooth Codec Indicator:
  • Blue: SBC
  • Cyan: AAC
  • Purple: aptX / aptX LL
  • Yellow: aptX HD
  • White: LDAC
  • Green: aptX Adaptive

• Bluetooth Reception (5.1): AAC / SBC / aptX / aptX LL / aptX Adaptive / aptX HD / LDAC
• Display: 0.96-inch TFT (80×160) bezel-less display
• Firmware Upgrade: OTA upgrade via FIIO Control
• Adaptive Impedance:
  • PO: 8~150Ω
  • BAL: 8~350Ω

• Max. Supported Sampling Rate: PCM: Up to 96kHz / 16bit
• Removable Battery: Either power supplied by the battery or USB plug and play

Buttons and Ports:

• Buttons: Multifunction Button ×1, Play/Pause ×1, Volume Up ×1, Volume Down ×1
• USB: USB Type-C (Charging/Data Transfer)
• Headphone Output: Standard 3.5mm Port
• Balanced Headphone Output: Standard 4.4mm Port
• Slide Switch: Power Switch ×1

Power Supply Parameters:

• Power Supply: DC 5V ≥1A
• Charging Time: ≤2 hrs
• Type of Battery: 10440 Lithium Battery 3.7V

Battery Life and Test Conditions:

Battery Life Test (3.5mm Headphone Out):

• Battery Life: ≥7.5h
• Audio Input: Bluetooth Reception
• Bluetooth Codec: AAC
• Volume: 22 Level
• Gain: High
• Display Status: Off
• Playing Track and Format: MP3 44.1kHz/16bit
• EQ: Off
• Load: 32Ω

Battery Life Test (4.4mm Balanced Headphone Out):

• Battery Life: ≥7.5h
• Audio Input: Bluetooth Reception
• Bluetooth Codec: AAC
• Volume: 19 Level
• Gain: High
• Display Status: Off
• Playing Track and Format: MP3 44.1kHz/16bit
• EQ: Off
• Load: 32Ω

Battery Life Test (3.5mm Headphone Out):

• Battery Life: ≥9h
• Audio Input: USB Dongle Mode (Phone Mode)
• Gain: High
• Volume: 22 Level
• Playing Track and Format: 44.1kHz/16bit
• Display Status: Off
• Load: 32Ω
• EQ: Off

Battery Life Test (4.4mm Balanced Headphone Out):

• Battery Life: ≥9h
• Audio Input: USB Dongle Mode (Phone Mode)
• Gain: High
• Volume: 19 Level
• Playing Track and Format: 44.1kHz/16bit
• Display Status: Off
• Load: 32Ω
• EQ: Off

Audio Parameters:

Performance and Parameters of Headphone Output (3.5mm, UAC Decoding):

• Output Power:
  • L+R ≥ 120mW+120mW (16Ω, THD+N<1%)
  • L+R ≥ 100mW+100mW (32Ω, THD+N<1%)
  • L+R ≥ 10mW+10mW (300Ω, THD+N<1%)

• Output Impedance: <0.3Ω
• Crosstalk: ≥75dB
• Output Amplitude: 1.75Vrms
• Peak Output Voltage: 5Vpp
• THD+N: <0.0018% (1kHz/-4dB@32Ω)
• SNR: ≥125dB (A-weighted)
• Frequency Response:
  • 20Hz~40kHz: attenuation<3dB
  • 20Hz~20kHz: attenuation<0.1dB

• Noise Floor: <1uV (A-weighted)

Performance and Parameters of Balanced Headphone Output (4.4mm, UAC Decoding):

• Output Power:
  • L+R ≥ 130mW+130mW (16Ω, THD+N<1%)
  • L+R ≥ 220mW+220mW (32Ω, THD+N<1%)
  • L+R ≥ 55mW+55mW (300Ω, THD+N<1%)

• Output Impedance: <0.3Ω
• Crosstalk: ≥124dB
• Output Amplitude: 2.7Vrms
• Peak Output Voltage: 7.5Vpp
• THD+N: <0.0018% (1kHz/-6dB@32Ω)
• SNR: ≥128dB (A-weighted)
• Frequency Response:
  • 20Hz~40kHz: attenuation<3dB
  • 20Hz~20kHz: attenuation<0.1dB

• Noise Floor: <1uV (A-weighted)