Features: • G28 Smart Watch Smart Bracelet Fitness Tracker uses a 1.28-inch full touch screen, which has high sensitivity and accuracy. • G28 Smart Watch Smart Bracelet Fitness Tracker has a reminder function of various application messages such as phone calls, text messages, emails, etc. Users can check it anytime and anywhere without missing any important information. • It supports IP68 dustproof and waterproof. The G28 Smart Watch Smart Bracelet Fitness Tracker has an IP68 protection level, which basically meets the waterproof needs of daily swimming and wearing life. • G28 Smart Watch supports multiple sports modes, such as outdoor running, swimming, mountain climbing, and other sports. It can accurately track various sports data and help users develop scientific fitness plans. • G28 Smart Watch Smart Bracelet Fitness Tracker has real-time accurate heart rate monitoring and sleep monitoring functions to help users understand their health status. • The G28 Smart Watch has a stylish and simple appearance, a zinc alloy frame, and a high-quality silicone strap. • G28 Smart Watch Smart Bracelet Fitness Tracker supports low-power Bluetooth BT 5.0, with fast data transmission speed, stable signal transmission, long enough transmission distance, and an effective working distance of up to 300 meters. Specification: Model: G28 Smart Watch Smart Bracelet Fitness Tracker BT: 5.0 Operating temperature: 10-50 degrees Charging parameter: 5V/180mAh The main chip Realtor: 8762C Acceleration sensor: STK8321 Photoelectric sensing heart rate: VC31 Screen: 1.28*240*240 TFT Store: 128Mb of Flash plug-in Support Android: 4.4 Support IOS: 8.0 Shell aluminum: alloy + zinc alloy + plastic Strap: TPU Colour: Black, blue, pink(Optional) Item Size: Approx. 4.62*0.982cm / 1.81 * 0.39in Item Weight: Approx. 48g / 1.69oz