Simple Parking sensor,Car Simple Parking Sensor, Distance Control Sensor 1Automatically work when  reversing                       &nb

Smart Bracelet 001 COverall  D-39.0mmH-10.3mm Dimensions    PCBA Dimensions:  26*27*0.6 mm      Main chipset  NRF52832_QFAA  Storage  51

Smart Bracelet 001 COverall D-39.0mmH-10.3mm Dimensions PCBA Dimensions: 26*27*0.6 mm Main chipset NRF52832_QFAA Storage 512KB+64KB G-sensor LIS3DH/KX023-1025 Heart Ra

Smart Bracelet 001 COverall D-39.0mmH-10.3mm Dimensions PCBA Dimensions: 26*27*0.6 mm Main chipset NRF52832_QFAA Storage 512KB+64KB G-sensor LIS3DH/KX023-1025 Heart Ra

Smart Bracelet 001 COverall D-39.0mmH-10.3mm Dimensions PCBA Dimensions: 26*27*0.6 mm Main chipset NRF52832_QFAA Storage 512KB+64KB G-sensor LIS3DH/KX023-1025 Heart Rate HY13

Smart Bracelet 001 COverall D-39.0mmH-10.3mm Dimensions PCBA Dimensions: 26*27*0.6 mm Main chipset NRF52832_QFAA Storage 512KB+64KB G-sensor LIS3DH/KX023-1025 Heart Rate HY13

Smart Bracelet 205 1. 0.69 inch OLED screen display, time, steps, exercise at any time control; 2. new step algorithm, step by step precision (step, distance, calories);  3.sede

Smart Bracelet 222 1. (Dialog 14580) with heart rate                            2.0.69inch OLED screen, timing, pedome

Smart Bracelet 223 1.(Dialog 14580)with heart rate 2.0.49 inch OLED screen, timing, pedometer, 3.New step algorithm, accurate (step, distance, calories)