ble 4 0 health monitoring smartwatch

{"cid":"91222783","title":"Silica Gel Strap Bluetooth Smartwatch S666 GPS Positioning Amoled Screen Waterproof Health Monitoring and Bluetooth BLE 5.3","imgUrl":"https:\/\/img.chinax.com\/nimg\/85\/23\/d084865f217e839fae49aa24864c-200x200-1.jpg","attrs":{"Price":"USD 159 \/PC","Brand Name":"Rainbuvvy","Model Number":"New S666","Minimum Order Quantity":"1 pcs","Delivery Time":"5-8 work days","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","Color":"black","Waterproof":"IP68","Length of the strap":"260 mm","Strap materal":"silica gel","Watch size":"45.6*45.6*11.6mm","Battery type":"lithium battery","Andiord OS":"Support Android 9.0 and above","IOS OS":"IOS 13.0 or later","Bluetooth":"BLE 5.3 + BT"}}

{"cid":"91222406","title":"KT37S Waterproof Sport Smart Watch 1.85 Inch Display Smartwatch Full Touch Screen Flash 128Mb","imgUrl":"https:\/\/img.chinax.com\/nimg\/36\/33\/c392afe70ca9c5eb8f9258a910f1-200x200-1.jpg","attrs":{"Price":"Get Best Price","Brand Name":"Shunxiang","Model Number":"KT37S","Minimum Order Quantity":"50 pieces","Delivery Time":"5-8 Work Days","Certification":"CE,RoHs","Place of Origin":"China","Payment Terms":"L\/C, T\/T, Western Union, PayPal, Alibaba Trade Assurance, etc.","Packaging Details":"Color Box","Product Name":"KT37S Waterproof Sport Smart Watch","Chip":"BT8959T5","Screen type":"1.85 inch IPS 240*280","Battery capacity":"280mAh","Charging":"Magnetic charging","Waterproof":"IP67","Flash":"128MB","Bluetooth":"BLE5.3"}}