Products description The intelligent magic ring is a Wearable electronic components, operate the mobile function and share the data by NFC wireless frequency communication technology, the functions of the advanced design as following: APP lock, Operate the mobile script, share business card, share internet link, share the text and share online file. The product shape is designed according to the international popular elements, created by the pure medical titanium, no need for any external power energy, high waterproof, and suitable for any people at any time. Specification: Frequency13.56MHZ Range to cover1.5cm Work temperature-50~+80 Main material Titanium, laser digital leather, electronic components Structure: Place of crystal diamond is palm area, the other side of ring is hand back area, different areas for the different functions of application ( put on correctly to ensure the place of diamond is in the center of finger guarantee the best read-write function of each magic ring area chip. Dimension: This is Size 7 Circumference 54mm for the users to choose according to fingers. Models available: Available for all of Android system mobiles with NFC.