A good fit if
You use imToken and want to review payments on a separate device small enough to carry in a pocket.
A compact wallet with its own screen and buttons for imToken on your phone, plus USB signing with Rabby on a computer.

Approve transactions with
Controls
Physical buttons
Backup
Recovery phrase
Power
Rechargeable battery
Phones and computers
Check the app and connection for each device. Setup and transaction signing are confirmed separately.
Bluetooth
Activate and bind imKey in imToken, and save the binding code for a new phone. Allow Bluetooth access; Android may also need location access. Taproot and Native SegWit need imToken 2.16.0 or later and COS 1.9.05 or later. For Bitcoin, imKey displays one default receiving address per account. It does not display every receiving address listed in imToken.
USB
Set up imKey and create its addresses with imToken on your phone first. Use the Rabby Chrome extension 0.92.36 or later and a USB data cable. Enter the PIN on imKey and check the recipient, amount and fee on the device before pressing OK.
Bluetooth
Activate and bind imKey in imToken, and save the binding code for a new phone. Allow Bluetooth access; Android may also need location access. Taproot and Native SegWit need imToken 2.16.0 or later and COS 1.9.05 or later. For Bitcoin, imKey displays one default receiving address per account. It does not display every receiving address listed in imToken.
| Detail | Value |
|---|---|
| Size and weightDimensions | Sources disagreeThe specification table on imKey’s product page lists 64 × 38 × 4.3 mm; the same page also describes the wallet as 2.3 mm thick. |
| Width × height | 64 × 38 mm |
| Device weight | Sources disagreeThe specification table on imKey’s product page lists 16.2 g; the same page also lists 17 g. |
| Power and chargingBattery | Rechargeable |
| Battery chemistry | Lithium-ion polymer |
| Battery life | 4 weeksUsage conditions not stated |
| Battery capacity | 33 mAh |
| Charging methods | USB-C |
| Materials and finishMaterials | Panel: Polycarbonate (PC) · Casing: Zinc alloy |
| Device connectionsUSB port | USB-C |
| Security and softwareSecurity chip | Infineon SLE78CLUFX5000PH · CC EAL6+ |
| Device software | COS |
Recovery entry location: On the hardware wallet
Recovery entry location: On the hardware wallet
Contents of this offer
imKey ProThis page is based on manufacturer documentation.
Documentation checked:
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