Specifications
- Metal/Ceramic ring with NFC chip to store permanent Digital Key
- Non-programmable - ring is pre-programmed in lab with your Narrowband Smartlock digital key for permanent use
- Available in silver and black
- Unisex design
- Thickness of ring material 1.8mm
- Ring sizes from 57mm to 70mm (see ring size table in info section)
- Reading distance 2cm-5cm
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