Features: Experience effortless charging with the 4mm circular magnetic charging cable, designed for smart rings to enable quick snaply on connection and hassle less detachment, eliminating traditional plug in struggles. Crafted from wear resistant PVC materials, this charging cable ensures long lasting performancse with superior anti stretch capabilities, ideal for daily use and frequent travel. Perfect for busy professional, travelers, and multi device users for various brands, reducing cable clutter while maintaining reliabled power delivery. Safely charges your intelligent rings at home, during commutes, or outdoors—featuring built in over current protective to prevent overheating and short circuits for worry less usage around children. Its compact design fits seamlessly into bags or pockets, offering on the go convenience without compromising fast charging efficiency for your essential wearable technology. Specifications: Component: PVC Interfaces size: 4mm circular design, easy to carry and use. Length: 30cm, 60cm, 100cm For R02 R06 R09 Package Includes: 1pcs Charging Cable note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you donot mind befores you order. 2.Due to the differences between different monitors, the picture may not reflect the actual color. Thanks for your understandings.