4G Global SIM Card Slot Rotating Camera For Calls Photos Smartwatch 1. Adaptive refresh rate technology, ultra-wide color gamut, and True Tone display technology; uses al.95 artificial spherical sapphire glass, durable, transparent, and scratch-resistant. 2. Allows downloading any application; comes with a built-in app store, just like a smartphone, allowing you to download various popular applications for a smooth user experience. 3. The retractable rotating camera doesn't take up screen space; the 190-degree rotating camera can be retracted and hidden, allowing shooting from any angle—front, back, or side—and easily switching shooting angles. 4. Rotating encoder; access frequently used functions directly via the rotating button; the rotating metal frame supports rotation and pressing operations, providing a delicate touch and clear tactile feedback for quick access to frequently used functions and applications, ensuring smooth operation and further improving reading efficiency. 5. Supports one-click dialing, keeping you connected at all times and bringing you a more free and convenient communication experience. 6. Equipped with a 900 7. Features a high-definition rotating camera with W-pixel resolution, video call functionality, QR code payment scanning, and the ability to capture life's moments through photography, which can be hidden when not in use. 8. Built-in 3D stereo navigation with GPS, receiving L1 and L5 satellite signals for dual-frequency GPS tracking and high positioning accuracy. It also supports six satellite positioning systems, ensuring reliable coverage. 9. Intelligent recognition of multiple activity modes, recording daily activity such as steps, distance, calories burned, and activity duration, generating a comprehensive report within the mobile application. 10. A bio-optical tracking sensor, working in conjunction with our newly developed motion algorithm, monitors heart rate and blood oxygen levels in real time, ensuring your health and safety. 11. Magnetic charging function. In addition to using a single-chip processor to reduce power consumption, it is equipped with a large-capacity 1880 mAh battery, extending standby time. 12. IP67 certified. After rigorous testing, this smartwatch can accompany you during swimming, diving, surfing, and many other everyday water sports and activities. 12. Connect various NFC commands to your watch to enable card emulation; the watch becomes the card, allowing you to quickly unlock doors by simply raising your wrist.