Tech specs.
Pluronto is a prototype and not yet for sale. These are the specifications of the current design. Anything marked Target hasn't been measured yet, and details may still change before production.
Size and weight
- Dimensions
- 90 × 58 × 7.1 mm, without the keys
- Keys
- The record key stands 0.8 mm proud, the slider 0.6 mm
- Weight
- To be measured on prototypes
Design and materials
- Case
- Aluminium
- Finish
- Silver
- Keys
- Aluminium, in the same silver
- Back
- All aluminium, with no antenna window
- Markings
- The name, laser-marked
- Designed in
- Munich, Germany
Controls
- Record key
- Hold for about 0.3 s to start. Press once to stop. Two quick presses open a three-minute pairing window.
- Mode slider
- ROOM or CALL, fixed when a recording starts
- Mounted
- Keys up, USB-C down
Audio
- ROOM
- Two microphones
- CALL
- One microphone and one contact sensor In testing
- Format
- LC3, 32 kbit/s per channel
- Data
- About 29 MB per hour
- Audio quality
- To be measured on prototypes
Storage
- Capacity
- 64 GB industrial microSD, built in. Not user-replaceable.
- Recording capacity
- More than 2,000 hours1
- When the card is full
- Recording stops. Recordings already on your phone are cleared, oldest first, whenever free space falls below 5 %.
- Power loss
- Audio is saved to the card every 10 seconds, so a flat battery costs at most the last 10 seconds.
Battery and power
- Battery
- Lithium-polymer, 800 mAh nominal. The final cell isn't confirmed yet.
- Recording time
- 72 hours per charge Target
- Charging
- USB-C. Charge time to be measured.
- Battery service
- Replacement is a service operation, not a user one.
Wireless and sync
- Bluetooth
- Bluetooth LE with LE Secure Connections and bonding. Up to 4 paired devices.
- Wi-Fi
- 2.4 GHz direct link that Pluronto creates for each transfer, secured with WPA2 and a new random name and password every session
- Transfer speed
- About 75–85 s per hour of audio over Wi-Fi1. A full 8-hour day in about 10–11 minutes1.
- When it syncs
- For two minutes after each recording, then brief checks every minute for 10 minutes and every 5 minutes until everything is synced
- While recording
- Radio off
- Privacy
- The Bluetooth address changes every 15 minutes. Outside the pairing window, the Bluetooth name carries no serial number.
- Range
- To be measured on prototypes
Assistant (in the app)
- Listening
- Only while you record: hold the key to start, press it again to stop. No wake word, no listening in the background.
- Transcription
- On your iPhone, iPad or Mac, with on-device speech recognition. Which languages are available depends on your device and its system version.
- Ask
- Answers questions about one conversation or all of them on your device, with Apple Intelligence, and links to the moments it draws on. Needs a device with Apple Intelligence; without it, the app shows the matching passages. In development
- Notes
- Summaries, action items and decisions from a conversation, written on your device. More kinds of notes are planned. In development
Compatibility
- Phones
- Attaches with magnets inside its aluminium back to iPhone models with built-in magnets (iPhone 12 and later, except models without them such as iPhone SE and iPhone 16e) and to cases with a magnet ring. For other phones, a thin steel ring that sticks on the phone is planned for the box.
- Magnetic hold
- Target: stays put in everyday use. To be measured on prototypes. Target
- App
- Pluronto app for iPhone, iPad and Mac In development
- System requirements
- Planned: iOS 17, iPadOS 17 and macOS 14 or later