240 240 fast track smart watch band

{"cid":"91170326","title":"MX1 Bluetooth 200mAh Blood Oxygen Monitor Smart Watch Multifunctional Sport Fitness Tracker","imgUrl":"https:\/\/img.chinax.com\/nimg\/27\/49\/aab0ace48b6c3dd9493130de197d-200x200-1.jpg","attrs":{"Price":"Negotiation","Brand Name":"SMARTENT","Model Number":"ST-MX1","Minimum Order Quantity":"100pcs","Delivery Time":"5~30days","Certification":"CE,ROHS,SGS","Place of Origin":"CHINA","Payment Terms":"T\/T, Western Union, MoneyGram,Paypal","Supply Ability":"100,000pcs per month","Packaging Details":"Gift box","Article":"Bluetooth smart watch","Waterproof":"IP68","Logo Branding":"Lase engraving","Warranty":"1Year","Capacity":"200mAh","Screen Size":"1.28''","Sales Market":"Worldwide"}}

{"cid":"91222653","title":"Internet Plus Smart Wristband Watch For Person Children Elderly Tracking Supporting 2G 4G All-Network AGPS GPS BDS WiFi LBS","imgUrl":"https:\/\/img.chinax.com\/nimg\/46\/10\/75cd1f5346f1efd8754b1e5590af-200x200-1.jpg","attrs":{"Price":"USD 8-20 UNIT","Brand Name":"YOUWEI","Minimum Order Quantity":"10","Delivery Time":"5-7 business days","Certification":"CE FCC RoHS","Place of Origin":"Guangdong, China","Payment Terms":"T\/T, Western Union, MoneyGram, D\/A, L\/C, Paypal","Supply Ability":"10000pcs","Packaging Details":"Cardboard Box\/ Cartons","Product Name":"GPS Wristband","Network Type":"4G + 2G","Brand":"White Label","Positioning System":"AGPS + GPS + BDS (BeiDou) + WiFi + LBS","Accuracy":"5-10 meters (outdoor)","Tracking Sensitivity":"-161dBm","Voltage":"3.6V to 4.35V","Battery capacity":"450mAh","Operating system":"Dual system Android & iOS","Color Options":"Black\/Purple"}}