ble 5 0 heart rate smartwatch

{"cid":"91222406","title":"NX22 GPS Smartwatch with AMOLED Display & Heart Rate Monitor for Men and Women","imgUrl":"https:\/\/img.chinax.com\/nimg\/01\/72\/807a0cc65fe565511070ea9be3ed-200x200-1.jpg","attrs":{"Price":"$24.18-25.46 \/ piece","Model Number":"NX22","Minimum Order Quantity":"50 pieces","Brand":"OEM","applicable people":"Unisex","item shape":"Square","screen size":"44-49mm","waterproof standard":"IP68","battery life":"5 to 10 days","feature":"Touch Screen, APP Control, GPS, bluetooth","function":"Remote Control, Sleep Tracker, Speed Measurement, Fitness Tracker, Passometer, Call Reminder, Answer Call, Push Message, Mood Tracker, Message Reminder, Dial Call, Heart Rate Tracker, Activity Tracker, Social Media Notifications, Calorie Tracker, Breath Mo","display type":"AMOLED","screen resolution":"1.78 Inch","Operating System":"Linux, Android, IOS","camera":"No Camera","band material":"Silicone","case material":"Aluminum","private mold":"NO","Product Name":"NX22","Chip":"ATS3085C","Screen Size":"1.78\" AMOLED 368*448","Support":"GPS Tracker","Heart Rate Sensor":"HX3918","Standby time":"About 30days","Bluetooth Version":"BLE 5.3","Compatible":"IOS10.0+ \/ Android5.0+","Battery Capacity":"350mAh","APP":"Fitbeing"}}

{"cid":"91215941","title":"2.01\" Display Smartwatch with GX38 4G JL7012A7 BLE CPU and Blood Oxygen Monitoring","imgUrl":"https:\/\/img.chinax.com\/nimg\/32\/45\/cff95106f01c2e95c0589fca1a9d-200x200-1.jpg","attrs":{"Price":"20-25","Brand Name":"Kaliho","Model Number":"Cw01c","Minimum Order Quantity":"3000","Delivery Time":"5 days--30 days","Certification":"CE ROHS","Place of Origin":"China","Payment Terms":"L\/C, T\/T, Western Union. Paypal","Supply Ability":"500,000pcs\/Month","Packaging Details":"100PCS\/CTN, 16KG\/CTN, 0.057CBM\/CTN","Model":"CW01C","CPU":"GX38(4G)+JL7012A7(BLE)","Memory":"ROM 160KB+RAM 128MB","Display":"2.01\" TFT 240*296","Color":"Black\/Blue\/Sliver","Case Material":"Silica gel"}}