Tungsten Steel NFC Ring – Premium Weight Smart Ring
The Tungsten Steel NFC Ring is a wearable NFC smart ring machined and resin-sealed in our own factory – it turns your fingertip into a key. Two tungsten rings with polished beveled edges and black ceramic face. Choose the chip when…
Tungsten Steel NFC Ring – Premium Weight Smart Ring — NFC Smart Ring made by LOZAVY in our own factory in Shenzhen, China. Built around a NTAG213 / NTAG215 / NTAG216 chip, operating at 13.56 MHz, measuring US sizes 6-13, ring width 7 mm, moulded in Tungsten steel, black ceramic inlay, and the minimum order quantity is 100 pcs. Every unit is 100% RF tested before shipment. Stock samples ship in 1–2 working days, custom samples take 3–5 working days, and mass production runs 7–15 working days after approval. Printing, UID numbering and NDEF encoding are all handled in-house.
- Protocol
- ISO/IEC 14443-A, ISO/IEC 15693
- Frequency
- 13.56 MHz
- Chip
- NTAG213 / NTAG215 / NTAG216
- Capacity
- 144-888 bytes NTAG, 416 bytes NTAG 424 DNA (chip dependent)
- Dimensions
- US sizes 6-13, ring width 7 mm
- Material
- Tungsten steel, black ceramic inlay
Factory-direct pricing, quoted within 24 hours. Your unit price depends on chip, material, printing, quantity and packaging — send us the spec and we price it exactly, with no padding.
- Stock samples free (you cover shipping)
- Custom samples 3–5 working days
- Sample fee refunded at USD 10,000
Typical Applications
- Door access
- phone NFC tasks
- attendance
- smart home
- Contactless door access and office entry
- Digital business card — tap to share your contact
Key Specifications
- ProtocolISO/IEC 14443-A, ISO/IEC 15693
- Frequency13.56 MHz
- ChipNTAG213 / NTAG215 / NTAG216
- Capacity144-888 bytes NTAG, 416 bytes NTAG 424 DNA (chip dependent)
- Data retention10 years (NTAG series)
- Read rangeTypically 0-4 cm, device dependent
- DimensionsUS sizes 6-13, ring width 7 mm
- MaterialTungsten steel, black ceramic inlay
- ColorTungsten with black ceramic face
- MountingFinger-wearable NFC ring, resin-sealed chip module
- WaterproofIP68 - wash, swim and train with it on
- Storage temp-30°C to +85°C
- Working temp-20°C to +65°C
- CertificationISO 9001 & ISO 14001 factory; RoHS, REACH documentation
- ApplicationDoor access, phone NFC tasks, attendance, smart home
- Chip optionsNTAG213/215/216, NTAG 424 DNA, CUID, T5577, F08, Tesla key (per model)
- Ring sizesUS 6-13 (Silver Foil model on request)
- Weightabout 8.3 g
- FinishPolished surface, scratch and wear resistant
- Use casesDoor access, phone NFC tasks, attendance, smart home
- MOQ100 pcs
How We Compare
- Supply chain LOZAVY: Own 20,000 m² factory in Shenzhen, China — you audit the real production line Typical market practice: Trading companies resell from unnamed workshops with no audit access
- RF testing LOZAVY: 100% RF tested before shipment, chip by chip Typical market practice: Batch sampling only, defective rate usually not disclosed
- Minimum order LOZAVY: From 100 pcs on standard epoxy tags and key fobs Typical market practice: Commonly 500–1,000 pcs for customised NFC products
- Sampling speed LOZAVY: Stock samples free (you cover shipping), shipped in 1–2 working days; custom samples 3–5 working days Typical market practice: Samples often charged and take 1–2 weeks
- Customisation scope LOZAVY: Chip, size, shape, printing, UID laser numbering and NDEF encoding in one factory Typical market practice: Printing and encoding often outsourced to separate vendors
- Sample fee refund LOZAVY: Fully credited back once the bulk order reaches USD 10,000 Typical market practice: Sample fees are usually non-refundable
The Tungsten Steel NFC Ring is a wearable NFC smart ring machined and resin-sealed in our own factory – it turns your fingertip into a key. Two tungsten rings with polished beveled edges and black ceramic face. Choose the chip when ordering and we deliver rings matched to your access system, phone workflow or vehicle.
Key Features
- IP68 waterproof ring body – wear it 24/7 through washing, training and rain, with no battery and no charging.
- 13.56 MHz NFC with ISO/IEC 14443-A and ISO/IEC 15693 support – reads on virtually all NFC smartphones and readers.
- Heavy tungsten steel with polished bevels – premium weight and feel, extremely scratch resistant.
Typical Applications
- Door access control and smart locks
- One-tap sharing of contact card, Wi-Fi and links
- Employee attendance and event ticketing
- Smart home scenes and Tesla-style car pairing
Customisation Options
Every ring is assembled in our own factory. Send your brand or packaging artwork and we engrave, print or pack accordingly. Chips are encoded on request – UID, URL, vCard, Wi-Fi credentials or custom payloads – so rings arrive ready to use with your access control, membership or smart-home system.
Samples, MOQ & Lead Time
MOQ is 100 pcs per model. Stock samples are free of charge and you only cover the shipping – they ship within 1-2 business days by DHL or FedEx. Custom sampling takes 3-5 days and carries a sample fee, which is credited back in full once the related bulk order reaches USD 10,000 or more. Standard lead time is 8-12 days after chip and size confirmation. Every ring is RF-tested before packing; we ship worldwide on EXW, FOB, CIF or DDP terms.
RF & Chip
Physical
Environment & Durability
Compliance & Customization
Additional
What we can customize
How it works
- 1Requirements
- 2Sampling
- 3Sample approval
- 4Mass production
Frequently asked questions
What is the minimum order quantity?
Can I get a sample before placing an order?
How long does mass production take?
Can you print our logo and pre-encode the chips?
Which certifications and quality checks do you provide?
Still have questions? Send us an inquiry and we reply within 12 hours.
