R3F NFC Smart Ring – Smart Wearable Device for Contact Sharing, NFC Automation & Mobile Access Model:9 Voltage display range: 0V~9999V

Voltage display range: 0V~9999V

Helps promote smoother airflow through the nasal passages

1 x earphone

no trace of stability

S/M   size (M): palm width <8cm

R3F NFC Smart Ring – Smart Wearable Device for Contact Sharing, NFC Automation & Mobile Access Model:9 Voltage display range: 0V~9999VProduct Description Upgrade your everyday convenience with the R3F NFC Smart Ring, a stylish and battery free wearable designed to simplify digital interactions. Using advanced NFC technology, this smart ring lets you instantly share information, automate tasks, and access compatible NFC features with a simple tap. Store digital business cards, website links, Wi Fi credentials, notes, schedules, social profiles, and more directly on the ring. The dual