ble 5 3 location tracking smart watch

{"cid":"91215941","title":"OEM Location Tracking Smart Watch Emergency Call GPS Smart Watch CW S1","imgUrl":"https:\/\/img.ismap.com\/nimg\/4e\/42\/ec3870b4124c6a17e6ed0582130f-200x200-1.jpg","attrs":{"Price":"$28-$38\/pcs","Brand Name":"KALIHO\/OEM","Model Number":"CW S1","Minimum Order Quantity":"3000","Delivery Time":"5 days--30 days","Certification":"CE ROHS","Place of Origin":"CHINA","Payment Terms":"T\/T. Paypal. Western union. LC","Supply Ability":"500,000pcs\/Month","Packaging Details":"100PCS\/CTN, 16KG\/CTN, 0.057CBM\/CTN","Model":"S1 Location Tracking Smart Watch","Bluetooth":"BLE 5.3 + BT","Memory":"128MB","Charging method":"Magnetic charging","Blood Oxygen Monitoring":"Yes","Emergency Call":"Yes"}}