1-1.39 inch high-definition full touch AMOLED full screen color display with a resolution of 360X360 pixels; 2-Narrow edged aluminum alloy frosted electroplated case, 22mm replaceable watch 3- The latest JL7012A single core multimode communication chip, capable of making calls with only app links, low power consumption, and simple operation 4-3 sets of UI styles, 70+dial options, support for DIY, 113+sports modes, 21 languages in multiple countries, 100 local contacts, etc; 5-Making and answering phone calls, Bluetooth music, SOS one click for help, female physiological cycle, weather, real-time heart rate, blood oxygen, temperature monitoring, etc Main chip: Jerry 7013A Memory size: RAM 640KB, ROM 2M, external expansion FLASH 128Mb G-sensor model: Rom 1057 Heart rate sensor model: Huiding 3018 Display screen specification: 1.39-circular AMOLED 360 * 360 Button method: full touch screen+physical buttons Battery type: Polymer battery Charging head specifications: Charging 2A or below Charging method: Magnetic suction charging method Horn type: specification 0815 shrapnel IP68 waterproof MiTou 4015MIC wire length 35MM exposed copper 1MM Motor type: specification 0820, wire length 15mm Standby power consumption: standby for 30 days, normal use for 5-7 days (calculated based on a 240mAh battery) Bluetooth type: dual-mode - Bluetooth 5.3/3.0 (one click connection) Battery capacity: 300MAH Charging voltage: 5.0V Charging current: 177MA