Compare
Tangem Ring or Trezor Safe 7?
The exact editions, side by side: how you’ll use them and the limits to know.
In short
Transaction approval (Computer) is confirmed only for Trezor Safe 7.


Approve transactions
- Computer
- Tangem Ring:Support for signing is unconfirmed
- Trezor Safe 7:USB · BluetoothTrezor Suite · Bitcoin / Ethereum
- iPhone
- Tangem Ring:NFCTangem app · Bitcoin / Ethereum
- Trezor Safe 7:BluetoothTrezor Suite · Bitcoin / EthereumCurrent app needs iOS 16.4+
- Android
- Tangem Ring:NFCTangem app · Bitcoin / Ethereum
- Trezor Safe 7:USB · BluetoothTrezor Suite · Bitcoin / EthereumAndroid 12+
Where they differ
- Controls / Display
- Tangem Ring:No controls on the walletDisplay: No device display
- Trezor Safe 7:Touchscreen
- Wallet recovery
- Tangem Ring:Backup cards
- Trezor Safe 7:Recovery phrase
- Operating power
- Tangem Ring:Powered by NFC
- Trezor Safe 7:Battery or USB power
- Battery
- Tangem Ring:No battery
- Trezor Safe 7:Rechargeable
What they have in common
- Cryptocurrencies
- Multiple cryptocurrenciesBoth
Before you choose
Apps and requirements
Show detailsHide details
iPhone · Android
Connection requirements
You need a compatible NFC phone and supported versions of its operating system and wallet app. You check the transaction details on the phone.
Computer
iPhone
Connection requirements
Setup and signing use the Trezor Suite app over Bluetooth. Installing the current iPhone app requires iOS 16.4 or later. USB-C is for charging. Check that Suite supports the asset and network you want to use; the Bitcoin-only edition is limited to Bitcoin.
Android
Connection requirements
Setup and signing use the Trezor Suite app on Android 12 or later, over Bluetooth or a supported USB-C connection. Check that Suite supports the asset and network you want to use; the Bitcoin-only edition is limited to Bitcoin.
Hardware detailsDifferent: 7 · Same: 0 · Not fully recorded: 7Show details (14)Hide details
Size and weight
- Device weight
- Tangem Ring:Not confirmed
- Trezor Safe 7:45 g
- Dimensions
- Tangem Ring:Not recorded
- Trezor Safe 7:75.4 × 44.5 × 8.3 mmDimensions as listed by the manufacturer
Power and charging
- Battery capacity
- Tangem Ring:No battery
- Trezor Safe 7:330 mAh
- Wireless charging
- Tangem Ring:No battery
- Trezor Safe 7:Qi2-compatible
Materials and finish
- Materials
- Tangem Ring:Casing: Zirconia ceramic
- Trezor Safe 7:Not recorded
- Built-in magnets
- Tangem Ring:Not recorded
- Trezor Safe 7:Yes
Security and software
- Security chip
- Tangem Ring:CC EAL6+
- Trezor Safe 7:OPTIGA Trust M (V3) · CC EAL6+; TROPIC01
Protection
- Dust and water protection
- Tangem Ring:IP69K
- Trezor Safe 7:IP54
Display
- Screen diagonal
- Tangem Ring:No built-in display
- Trezor Safe 7:2.5″
- Resolution
- Tangem Ring:No built-in display
- Trezor Safe 7:520 × 380 px
- Colour mode
- Tangem Ring:No built-in display
- Trezor Safe 7:Colour
Device connections
- USB port
- Tangem Ring:Not recorded
- Trezor Safe 7:USB-C
Operating conditions
- Operating temperature
- Tangem Ring:Not recorded
- Trezor Safe 7:0 °C … 45 °C
Key dates
- Released
- Tangem Ring:Not recorded
- Trezor Safe 7:October 21, 2025
Official stores
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