ble4 0 bluetooth calling smartwatch

{"cid":"91170326","title":"IPX7 Running Bluetooth Activity Tracker Watch Smartwatch Gps Bluetooth With Alarm","imgUrl":"https:\/\/img.silkroadsl.com\/nimg\/44\/67\/2d1efc48831c450929bbf72d8466-200x200-1.jpg","attrs":{"Price":"Negotiation","Model Number":"LWD-MG535","Minimum Order Quantity":"Negotiation","Delivery Time":"30days","Certification":"CE,Rohs","Place of Origin":"China","Payment Terms":"L\/C, T\/T, Western Union,PayPal","Supply Ability":"10,000pcs per month","Packaging Details":"Color box\uff0c20pcs\/Ctn,Carton size:22x22x40cm,G.W.:5KG","Product Name":"Newest Bluetooth Waterproof Sports GPS Watch With HRM","Waterproof":"IPX7,5ATM","Screen":"80*80 FSTN circular display","GPS":"Support","System":"Android and iOS","Battery capacity":"280mAh"}}