1. 1.83-inch high-definition full-touch large color screen, resolution 240X280 pixels; 2. ABS case (passed 72-hour salt spray test), 22mm replaceable strap (standard silicone strap, steel strap, belt, nylon strap and other optional straps); 3. WikiXinwei VC30F real-time true heart rate supports hands-free monitoring (no data in air measurements) and decompression knob control; 4. Gloryfit APP has stable performance and is recognized by buyers at home and abroad, with a mid-to-high-end market share of more than 50%; 5. RTL8763EWE single-core multi-core call chip, low power consumption, good stability, only APP link can make calls; 6. ACC 5 magnetic speakers, high-fidelity sound; 7. 300mah safe pure cobalt large battery, long standby time of 45 days;