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":"91225832","title":"Custom Healthy Smart Watch 1.73 Inch 466*466 HD AMOLED Screen Bluetooth Calling Smartwatch","imgUrl":"https:\/\/img.chinax.com\/nimg\/73\/17\/b9379559b1e81b6912736977e95f-200x200-1.jpg","attrs":{"Price":"USD 40 \/PC","Brand Name":"Rainbuvvy","Model Number":"DM90","Minimum Order Quantity":"10 pcs","Delivery Time":"5-8 work days","Certification":"CE","Display":"1.73inch AMOLED HD PPI: 466*466","Flash":"Flash\uff1a128M","Payment Terms":"L\/C, T\/T","Blue tooth":"BLE 5.4","CPU":"AB5691G","Heart rate sensor":"HX3918 :low power consumption, accurate heart rate and blood oxygen with liveness detection .","Color":"Silver steel strap","Packaging Details":"13cm*10cm*7cm","Place of Origin":"China","Supply Ability":"100pcs per 5 days","Touch screen":"Full touch \uff0ctouch IC\uff1aCST820","Name":"Healthy Smart Watch","Acceleration sensor":"STK8321"}}

{"cid":"91222783","title":"GPS Amoled screen Bluetooth call, waterproof health monitoring bracelet smartwatch S666","imgUrl":"https:\/\/img.chinax.com\/nimg\/b3\/f0\/6ea5eac0595c080f2e18b68a7fb1-200x200-1.jpg","attrs":{"Price":"USD 46 \/PC","Brand Name":"Rainbuvvy","Model Number":"S666","Minimum Order Quantity":"1 pcs","Delivery Time":"5-8 work days","Waterproof":"IP68","Color":"silver","TP":"Glass (Panda Substrate)","Length of the strap":"260 mm","Screen size":"1.43''","Weight":"28g","Screen type":"AMOLED HD screen","Certification":"CE,FCC","Place of Origin":"China","Payment Terms":"L\/C, D\/A, D\/P, T\/T, Western Union, MoneyGram","Supply Ability":"100pcs per 5 days","Packaging Details":"12cm*8cm*5cm","Screen resolution":"466*466"}}