| Color | Contact |
| Jewelry Type | NFC Smart Car Key Ring |
| Width | 4mm, 6mm, 8mm and others |
| Thickness | 2.3 ~ 2.5mm |
| Surface | Matte or Shiny |
| Base | Ceramic or Tungsten Carbide |
| Size | Any size you want |
| Quality Standard | Meet the import and export quality standards |
Built-in battery-free NFC chip, multiple chip options available: NTAG213, NTAG215, NTAG216, T5577 and other customized chips. It can match vehicle NFC induction system, unlock and lock car with a tap offline without the original car key.
• NTAG 213: Basic storage, suitable for simple induction input, cost-effective.
• NTAG 215: Mainstream large capacity, compatible with most vehicle NFC keys for daily cars.
• NTAG 216: Extra-large memory, supports data storage for multiple car keys for multi-car use.
• T5577: Compatible with low-frequency induction chips, matches old vehicle induction keys.
Two base materials optional:
• Zirconia Ceramic: Hypoallergenic, lightweight, corrosion-resistant, no discoloration.
• Tungsten Carbide: Ultra-hard metal, scratch-proof, sturdy with solid metallic texture.
Two surface finishes to choose:
• Polished Glossy: Mirror bright surface, elegant luxury look.
• Matte Brushed: Foggy texture, fingerprint-resistant, low-key minimalist style.
Custom logo support.