The S9 e-cigarette incorporates advanced RFID technology to provide full traceability of liquid ingredients, effectively preventing counterfeiting. Its interchangeable cartridge filling design offers flexibility, while features such as heart rate monitoring, blood oxygen saturation tracking, and a health pedometer cater to personalized health needs. Additionally, it supports Bluetooth connectivity for convenient phone calls and music enjoyment. Whether you prefer a classic flavor or a unique experience, the S9 is designed to fit your lifestyle, delivering a new experience that seamlessly combines technology and health.