Smart Ring

The Cross-border Extreme Controller R4 is a cutting-edge smart ring smartwatch that combines advanced technology with sleek design. This Bluetooth-enabled device features a lightweight, durable construction, making it comfortable for all-day wear. Its smart bracelet functionality allows for seamless connectivity to your smartphone, enabling notifications and easy access to apps right at your fingertips. The innovative design incorporates a minimalist aesthetic, available in a stylish black finish that complements any outfit. Equipped with health tracking features, the R4 monitors your fitness levels, heart rate, and sleep patterns, promoting a healthier lifestyle. The intuitive touch control allows for effortless navigation through functions and settings. Its long-lasting battery ensures you stay connected throughout the day. Elevate your tech game with the Smart ring, the perfect blend of fashion and functionality.