Technical parameters: NO required for battery charging. Dimension: size of 7,8,9,10,11 and 12 Weight:0.11 lbs Technology: Near Field Communication Material:pure titanium Input/Output:NFC Waterproof grade: IP68 Property: waterproof,shockproof and dustproof Carrier frequency: 13.5MHZ Purchase advice: Slight color difference may be possible due to sun shine or computer resolution. Dear customer, welcome to Chinaface where you would enjoy a pleasant shopping experience that all goods are through careful selection and are of first-rate quality. We hope to provide with you best customer service not only before but also after sales such as arranging shipment within 48 hours and 100% guarantee of goods returning and refund. The items will reach you in perfect condition after 7-12 working days by USPS from China.
- Wearable gadgets component that runs magic functions on mobile phone by achieving mobile function and sharing the data through NFC wireless frequency communication technology.
- Blended with rare metals,magnetite from volcano and far-infrared particles,contributing a lot to wearer’s health.
- Your personal secret key. Random configuration of cellphone Apps locker and screen locker, which could only be unlocked by smart ring.
- Your magic business card. Sharing or editing image and business card information, compatible with Android, IOS and Windows mobile phones.
- NO need for battery from electromagnetic wave energy. Link sharing:information consulting, enabled by one click.