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Detailed description
The Tangem Ring is a cold storage crypto wallet built into a durable, hypoallergenic zirconia ceramic ring. It uses a CC EAL6+ certified secure element chip, ensuring protection against physical and digital attacks. Private keys are generated offline and stored securely on the ring and accompanying backup cards—no cloud or online copy exists.
Activation takes under three minutes using the Tangem mobile app (iOS/Android).
Once set up, you can send, receive, and swap over 16,000 cryptocurrencies and tokens across dozens of blockchains by simply tapping the ring against your NFC-enabled smartphone.
Each set includes one ring and two Tangem Wallet cards that serve as backups. This 3-device setup provides maximum redundancy, allowing for secure recovery if the ring is lost. The ring’s sleek form factor makes top-tier digital asset security both convenient and wearable for daily use.
To determine your ring size, watch this video or consult the sizing chart on this page (also available as a pdf):
US Ring Size | Inside Diameter (mm) | Inside Circumference (mm) |
|---|---|---|
6 | 16.51 | 51.87 |
7 | 17.35 | 54.51 |
8 | 18.19 | 57.15 |
9 | 18.89 | 59.34 |
10 | 19.84 | 62.33 |
11 | 20.68 | 64.97 |
12 | 21.49 | 67.51 |
13 | 22.33 | 70.15 |
Tangem Ring sizes are subject to a tolerance of +/- 0.25mm
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Specifications
| Ring size (US) | 6, 7, 8, 9, 10, 11, 12, 13 |
| Supported Blockchains | BTC, ETH (ERC20) and others... |
| Appearance | NFC Ring + 2 x NFC smart cards |
| Security Chip | CC EAL6+ certified Secure Element |
| Material | Ring in high-purity hypoallergenic zirconia ceramic |
| Durability | IP69K rated (waterproof and scratch-resistant) |
| Connectivity | NFC (Near Field Communication) |
| Operating temperature | -25°C to 50°C |
| Battery | None (Battery-free) |
| Box content | 1x Tangem Ring + 2 x Tangem Wallet (NFC cards black) |
| Brand | Tangem |
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