Passive NFC Access
Unlock and authorize driving using the vehicle's key-card sensors.
TESEVO / Purpose-built accessories
TESEVO Smart Key Ring for Model 3 / Model Y
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$99.00 USD
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$99.00 USD
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TESEVO Smart Key Ring for Model 3 / Model Y
Smart Ring Key for Tesla
Unlock and start your compatible Tesla without relying on a phone, battery, key card, or bulky key fob. The passive NFC key ring you can wear every day is always ready when you need it.
Key Features
Reliable access in a jewelry-grade design
No Charging Required
No battery, charging cable, Bluetooth connection, or mobile signal is needed.
IP68 Protection
Waterproof and dust-resistant for handwashing, showers, swimming, and travel.
Zirconia Ceramic
Polished, skin-friendly ceramic provides a smooth, jewelry-grade finish.
Always Within Reach
A wearable backup key helps reduce the chance of being locked out by a dead phone.
Ready for Daily Life
Comfortable for commuting, running, swimming, road trips, and outdoor activities.
A Better Backup for Tesla Access
Designed around real ownership scenarios
Common Access Problems
Phone battery runs out when you are away from home.
The key card is left in another wallet or bag.
Bluetooth or mobile access is temporarily unavailable.
A conventional key fob feels bulky during exercise or travel.
The Tesevo Solution
A passive NFC key that remains ready without charging.
A wearable design that stays conveniently on your finger.
Fast tap-to-unlock and tap-to-authorize operation.
IP68 protection for active, everyday use.
Instant Access
Tap to Unlock. Tap to Drive.
Hold the ring against the supported driver-side B-pillar sensor to lock or unlock your vehicle.
To authorize driving, place the ring near the center-console key-card reader and press the brake pedal.
Adventure Ready
Carry Less Wherever You Go
Leave your phone and wallet secured when running, swimming, surfing, or enjoying other outdoor activities.
The polished ceramic construction and presentation-ready packaging also make the ring a practical gift for a Tesla owner.
Vehicle Compatibility
Confirm your model before ordering
✅️Tesla Model 3 2017-Present
✅️Tesla Model Y 2020-Present
✅️Tesla Model S 2021-Present
✅️Tesla Model X 2021-Present
✅️Tesla Cybertruck 2024-Present
Access is performed using the vehicle's supported NFC key-card sensor locations
The Tesevo Advantage
Wearable access compared with common alternatives
| Feature | Tesevo Ring | Phone Key | Key Card |
|---|---|---|---|
| Charging Required | No | Yes | No |
| Wearable | Yes | No | No |
| Water Protection | IP68 | Varies | Limited |
| Depends on Bluetooth | No | Yes | No |
| Easy to Carry During Exercise | Yes | Limited | Limited |
Pair Your Ring in Minutes
Simple setup through the vehicle touchscreen
1
Open the Locks Menu
On the vehicle touchscreen, open Controls, select Locks, and choose Add Key.
2
Scan the Ring
Follow the on-screen prompt and place the ring against the center-console key-card reader.
3
Authenticate and Name
Use an existing authenticated key when requested, then assign a recognizable name to the ring.
Find Your Perfect Fit
Standard US ring sizing
1
Measure a Ring
Measure the inside diameter of an existing ring that fits the intended finger.
2
Use Paper or String
Wrap a non-stretch strip around the finger, mark the overlap, and measure the circumference.
3
Visit a Jeweler
For the most reliable result, request a standard US ring-size measurement from a jeweler.
| US Size | Inside Diameter | Circumference |
|---|---|---|
| Size 6 | 16.5 mm | 53 mm |
| Size 7 | 17.3 mm | 56 mm |
| Size 8 | 18.2 mm | 59 mm |
| Size 9 | 18.9 mm | 62 mm |
| Size 10 | 19.8 mm | 65 mm |
| Size 11 | 20.7 mm | 68 mm |
| Size 12 | 21.3 mm | 71 mm |
Sizing tip: Measure near the end of the day, when fingers may be slightly larger. If your measurement falls between two available sizes, choose the larger size for a more comfortable fit.
Technical Specifications
Materials and product details
Material Polished zirconia ceramic and epoxy resin
Technology Passive NFC key technology
Ring Width 7 mm
Waterproof Rating IP68
Charging Not required
Available Sizes US sizes from 6 to 12
Frequently Asked Questions
Important details before ordering
Does the Smart Ring Key need charging?
No. It uses passive NFC technology and receives the energy needed for communication from the vehicle's key-card reader.
Which Tesla vehicles are compatible?
It is designed for Model 3, Model Y, Cybertruck, and Model S or Model X vehicles produced in 2021 or later. Verify your vehicle's NFC key-card support before ordering.
How do I pair the ring with my vehicle?
Open Controls, Locks, and Add Key on the vehicle touchscreen. Follow the prompts to scan the ring at the center-console card reader and authenticate it with an existing key.
Where should I tap the ring?
For exterior access, hold the ring against the supported driver-side B-pillar sensor. To authorize driving, place it near the center-console key-card reader.
Can one ring be paired with multiple vehicles?
A ring may be added as a key to multiple compatible vehicles, provided you have permission and an authenticated key for each vehicle during setup.
Can I wear the ring while swimming or showering?
The ring carries an IP68 waterproof and dust-resistant rating, making it suitable for common daily water exposure. Avoid harsh chemicals and extreme impact to preserve its finish.
How should I choose my size?
Use the size chart above or have your finger measured by a jeweler. Measure the intended finger and select the larger size if you fall between two available sizes.
Real feedback from the TESEVO community
