rohs approve smartwatch with accurate heart rate monitor

{"cid":"91218242","title":"ROHS Waterproof Sports Smartwatch Heart Rate Monitor Fitness Tracker Smartwatch","imgUrl":"https:\/\/img.chinax.com\/nimg\/98\/3f\/2cb71d4cb8a07d9a8144d1eb0fca-200x200-1.jpg","attrs":{"Price":"16.5USD\/PC","Brand Name":"Saigusy","Model Number":"DT8 Max","Minimum Order Quantity":"10pcs","Delivery Time":"3-5days","Certification":"CE FCC ROSH","Place of Origin":"China","Payment Terms":"Paypal,T\/T, Western Union, MoneyGram, L\/C","Supply Ability":"3000pcs\/day","Packaging Details":"Gift box","Product":"Sports Waterproof Smartwatch","Working Time":"5~6days","Battery Capacity":"380mAh","Charging Method":"Wireless Charging","Waterproof Level":"IP68","Support":"Android 6.0\/ios 10.0+","Screen":"2.1-inch IPS full view color screen","Bluetooth":"BT 5.0"}}

{"cid":"91222406","title":"1.52 inch SmartWatch C29 Smart Watch With Blood Oxygen Pressure Heart Rate Monitor","imgUrl":"https:\/\/img.chinax.com\/nimg\/04\/d7\/0e898d05114dbd904c2f78148027-200x200-1.jpg","attrs":{"Price":"Get Best Price","Brand Name":"Shunxiang","Model Number":"C29","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":"C29","Chip":"JL7012F6","Screen":"1.52 inch TFT 360*360","Battery capacity":"410mAh","Charging":"Magnetic charging","Waterproof":"1 ATM","Flash":"128MB","BT version":"BLE 5.3"}}

{"cid":"91225247","title":"Eraysun Reloj Inteligente Takilabilen Waterproof Sport Fitness Smartwatch Asim Kartli 4g Support Man Call with Sim Smart Watches","imgUrl":"https:\/\/img.chinax.com\/nimg\/48\/18\/29820539f81a44806de515e23b5d-200x200-1.jpg","attrs":{"Price":"$35.99-40 \/ piece","Minimum Order Quantity":"1 piece","applicable people":"Unisex","battery life":"Up to 4 days","display type":"IPS","feature":"GPS Navigation, Build in Flash, IP67 waterproof, Touch Screen, App Control","function":"Lighting, Week, MONTH, 24 hour instruction, Blood oxygen monitor, COMPASS, THERMOMETER, Calendar, Alarm Clock, Power Reserve, Remote Control, Countdown, Sleep Tracker, Fitness Tracker, Passometer, Call Reminder, Answer Call, Push Message, Message Reminder,","screen resolution":"320x240","Brand":"OEM","Place of Origin":"Guangdong, China","camera":"No Camera","item shape":"Round","Operating System":"Android","private mold":"Yes","screen size":"1.3 inch","waterproof standard":"Ip67","Model name":"M7S smart watch","CPU":"MTK2503A-ARM7","Screen size":"1.3 \"IPS touch full circle screen","Resolution":"240*240dpi","Material":"Zinc alloy plastic","Waterproof":"IP67 waterproof","Battery capacity":"Li-ion polymer360mAh","charge method":"USB Charging with Magnetic Pogo Pin","Compatible OS":"Android 5.0 and above,iOS 10 and above","Warranty":"12months"}}