Shenzhen Yihaotong Technology Co., Ltd. is based in China and lists products on Global Trade Plaza, including the Smart GPS Tracking Watch. This product is a 4G-enabled smart bracelet with anti-disassembly features, designed for community correction and health monitoring. It supports multiple positioning modes including Beidou, GPS, WIFI, and LBS, and includes functions such as two-way conversation, SOS emergency dialing, electronic fence alarms, and monitoring of body temperature, heart rate, blood pressure, and blood oxygen.