GT4MAX

Master chip: Zhongke 8959B heart rate chip: HRS3300 screen display: 1.53inch 128m memory battery capacity: 250mAH standby time: 7-10 days working time: 3-5 days or so keystroke mode: full touch + physical button motor: pie motor charging interface: wireless charging waterproof grade: IP67 sensor: G-sensor 3-axis language: 21 national languages APP:wearfit Pro chip: 8959B5 chatGPT2 .0 screen display: 1.53inch non-inductive encoder silicone strap + leather watch head weight: G complete weight: G whole case weight: KG packing size: mm carton size: CM whole carton quantity: 100pcs head color: black Silver