HANDMADE: Made of Zirconia materials. We managed to make the ring thinnest and the lightest which makes it the most comfortable to wear.
WATERPROOF&NO CHARGING REQUIRED: No longer have to worry about staying without a key when the phone battery is dying. Rings are waterproof. No need to remove your ring while washing hands, taking shower, or swimming.
TECH: One ring works with multiple cars. The ring is compatible with for all Model 3 and Model Y vehicles. The ring has the same security level as for Tesla key card.
ACTIVATION&USE: Find the right sensor spot on the B pillar under the driver side camera and touch your knuckle onto the B pillar (knocking position) and do not touch the ring directly to the car.
Fitment:for Tesla Model 3 Model Y
Colour:Black
Material:Zirconia
Size:#6 circumference:53mm / #7 circumference:56mm

Package Contents:
1 * NFC Smart Ring
Only the above package content, other products are not included.
Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.