Everything you need, nothing you don't
A dedicated music player with a built-in web interface, Bluetooth streaming, podcast support, and expandable storage - all in your pocket.
A touchscreen built for music
The 2.8-inch capacitive touchscreen puts your entire library at your fingertips. Swipe between views, tap to play, and browse by artist, album, genre, or folder — all without touching your phone.
Now Playing
The default view while music is playing. Album artwork takes centre stage with track info, a seekable progress bar, and clean playback controls. Use the on-screen buttons to skip tracks, or swipe to navigate — left for settings, right for your library, up for the queue, or down for quick settings.
- Album art with adaptive UI colours extracted from the artwork
- Swipe gestures to navigate between Now Playing, Library, Queue, Settings, and Quick Settings
- 7 full-screen visualizer modes — spectrum, starfield, tunnel, radial, plasma, and more
Dashboard
The home screen gives you one-tap access to every corner of your library. Browse by artist, album, genre, year, folder, or playlist. Jump straight to your favourites, recent plays, podcasts, or search. The mini player keeps your current track visible at all times.
- 9 browsing modes: Artists, Albums, Genres, Folders, Recent, Favourites, Podcasts, Playlists, Search
- Quick settings overlay for Bluetooth, EQ, ReplayGain, and sleep timer
- 8 colour themes + adaptive theme from album art + animated backgrounds
Library browser
Navigate your music library with smooth virtual scrolling that handles thousands of tracks without breaking a sweat. Browse files and folders directly, switch to saved playlists, or access more options — all with memory-efficient rendering that keeps the interface snappy.
- Virtual scroll — browse thousands of tracks with no lag
- Files, playlists, and more views in one tabbed interface
- Full-text search with relevance-ranked results
Navigate with a swipe
The Now Playing screen is your home base. Swipe in any direction to jump straight to another view — no menus, no back buttons. It's fast, intuitive navigation designed for one-handed use.
- Swipe left — Settings
- Swipe right — Library
- Swipe up — Queue
- Swipe down — Quick Settings
Now Playing
A full-featured web interface
Connect the Fonix One to your Wi-Fi network, open any browser, and you have a complete media management interface. No apps to install. Works on any device — phone, tablet, or desktop.
Your music, beautifully presented
The Now Playing view features a real-time audio visualizer that responds to your music, with adaptive colour theming drawn from the album artwork. Full playback controls, queue management, shuffle and repeat — all from the browser.
- Real-time FFT audio visualizer with multiple colour schemes
- Adaptive colours — the UI shifts to complement the album art
- Queue, shuffle, repeat, favourites, and volume control
Browse your entire collection
Navigate your library by folder, artist, album, track, genre, year, or recent additions. Full-text search lets you find anything instantly. The mini player stays at the bottom so your music never stops.
- Browse by folder, artist, album, genre, year, or recently added
- Full-text library search across all metadata
- Automatic metadata parsing — album art, tags, and more
Podcasts, untethered
Subscribe to your favourite podcasts, download episodes over Wi-Fi, and listen offline — no phone required. The Fonix One checks for new episodes automatically and lets you pick up right where you left off.
- Subscribe and manage podcasts from the browser
- Download episodes for offline listening
- Automatic new episode notifications with one-tap download
Load music from any device
Drag and drop files or entire folders from your computer, phone, or tablet. Upload via Wi-Fi with real-time progress tracking — no cables, no software, no accounts. Just open the browser and go.
- Wi-Fi file upload — no cables or companion apps needed
- Real-time progress with speed and ETA for each file
- Full file manager with folder creation, rename, and move
Espressif ESP32-WROOM-32
Dual-core Xtensa LX6 • 240MHz • 520KB SRAM
Powered by a single ESP32
Everything you see on this page — real-time audio decoding, Bluetooth A2DP streaming, a full Wi-Fi web server, touchscreen UI with live visualizers, podcast management, and more — runs simultaneously on a single ESP32-WROOM-32 microcontroller.
No PSRAM. No external co-processors. No shortcuts. We chose the most accessible hardware platform available and pushed it to its absolute limits — because when the firmware goes public, that accessibility matters.
Built for builders
The standard ESP32 is one of the most widely available and affordable microcontroller platforms in the world. When the firmware becomes available for download, anyone with a compatible board and a handful of off-the-shelf components can build their own Fonix One — no hunting for rare or expensive hardware.
- Compatible with widely available ESP32 dev boards
- Free firmware download — unlock premium features for $12
- OTA firmware updates over Wi-Fi — no reflashing required
A different kind of player
Most portable players run a stripped-down Android with a music app bolted on top. Fonix One is purpose-built firmware on dedicated hardware — every line of code exists to play your music.
Generic Android DAPs
- Sluggish UI — Android overhead on underpowered hardware
- Bloated with unused apps, services, and background processes
- Battery drained by an OS designed for phones
- Constant system updates that change or break things
- Abandoned after a year or two — no more updates, no more support
- Generic experience — same OS, different case
Fonix One
- Instant boot — music playing in under 2 seconds
- Zero bloat — no OS overhead, no background noise
- 16+ hours of battery — every milliamp goes to your music
- Custom bespoke firmware — built for one job and one job only
- Web-managed — upload files, manage playlists, and update firmware from any browser
- Clean, focused, and intentionally different
Core hardware
Purpose-built for music, from the ground up
16+ Hours Battery
All-day Bluetooth playback on a single USB-C charge. Listen from morning to night without reaching for a cable.
Up to 2TB Storage
MicroSD expandable. A 32GB card is included, but the slot supports up to 2TB, room for your entire library.
Bluetooth Audio
Bluetooth 4.2 with A2DP and AVRCP. Pair with any speaker, headphones, or earbuds and control playback from either end.
2.8-inch Touchscreen
A 240x320 TFT display with album art, live visualizers, gesture controls, and animated themes.
Ready to own your music?
Get the complete Fonix One kit for $99 USD — device, 32GB MicroSD, battery, and 3D-printed case in your choice of colour.