bt4 0 bluetooth calling smartwatch

{"cid":"91222783","title":"Smartwatch 2.4inch Screen 64GB GPS WiFi SIM Card Slot 1500mAh Battery Google Play Store","imgUrl":"https:\/\/img.chinax.com\/nimg\/c6\/df\/e3ffc12f0564dc36854f2e830ed9-200x200-1.jpg","attrs":{"Price":"USD 249\/PC","Brand Name":"Rainbuvvy","Model Number":"VP999","Minimum Order Quantity":"4 pcs","Delivery Time":"5-8 work days","Supply Ability":"100pcs per 5 days","Data Interface":"support","Operating System":"Custom OS based on Android","Sensors":"Heart rate monitor, SpO2, Accelerometer, Gyroscope","Certification":"CE,FCC","Key Type":"virtual QWERTY keyboard + 2 side keys","Wifi Connection":"2.4G\/5G","Payment Terms":"L\/C, D\/A, D\/P, T\/T,","Display Lcd":"2.88 '' LTPS capacitive touch screen","Place of Origin":"China","Waterproof":"IP67","Packaging Details":"20cm*13cm*5cm","Color":"silver 4GB RAM 64GB ROM"}}

{"cid":"91225832","title":"2.4 inch Large Amoled Smartwatch With Dual Camera GPS WIFI Sim Card Slot Play Game","imgUrl":"https:\/\/img.chinax.com\/nimg\/50\/b7\/6caec897d1700189991c59df5c48-200x200-1.jpg","attrs":{"Price":"USD 180 \/PC","Brand Name":"Rainbuvvy","Model Number":"VP999","Minimum Order Quantity":"1 pcs","Delivery Time":"5-8 work days","Name":"4G 5G Smart Watch","Place of Origin":"China","Screen size":"2.4 \"HD AMOLED Large Screen","color":"black 4+64GB","Certification":"CE,FCC","Payment Terms":"L\/C, D\/A, D\/P, T\/T, Western Union, ","CPU":"8-core MTK6762","Battery type":"Built in battery (non removable)","Packaging Details":"15cm*8cm*5cm","Memory":"4GB+64GB","Battery":"1500mAh","Bluetooth":"BT4.2","Supply Ability":"100pcs per 5 days"}}