Introducing the NFC Multifunctional Waterproof Smart Ring, a versatile wearable device that enhances your daily digital interactions. This ring is water resistant and requires no charging, making it incredibly convenient. Quickly lock and unlock your smartphone or tablet, control applications, and transfer information effortlessly. Enjoy the benefits of storing personal information and ensuring privacy encryption with this innovative accessory.

Specifications:
- Material: Stainless steel
- Color: Black, Silver
- Sizes: 6 to 14
- Transmission rate: 106kb/s
- Working frequency: 13.56MHZ
- Storage space: 144BYTES
- Weight: 7g/0.2oz