rfid bluetooth tour guide system

{"cid":"91171271","title":"RFID Technology Bluetooth Tour Guide Audio System For Translation I7 20g Weight","imgUrl":"https:\/\/img.chinax.com\/nimg\/41\/8b\/ab3c8dd02d978e7b26a5a3cf2fff-200x200-1.jpg","attrs":{"Price":"negotiation","Brand Name":"humantek","Model Number":"i7","Minimum Order Quantity":"1pcs","Delivery Time":"7days","Certification":"CE,RoHS","Place of Origin":"China","Payment Terms":"L\/C\/Paypal","Supply Ability":"1000 pieces per week","Packaging Details":"packed in carton box","Product":"Audio guide device","Color":"Black","Feature":"ear hanging","Weight":"20g","Power":"Lithium battery","Application":"audio guide for museum"}}

{"cid":"91221352","title":"AGV Automated Guided Vehicle with \u00b15-10mm Stopping Precision Wi-Fi RFID Bluetooth Communication and 0-1.5ton Load Capacity","imgUrl":"https:\/\/img.chinax.com\/nimg\/71\/12\/63dc2e9a9a0dda68eaeb2dfe71aa-200x200-1.jpg","attrs":{"Price":"Negotiable","Brand Name":"TIANYUE","Minimum Order Quantity":"1 Sets","Delivery Time":"30-40 Working Days","Place Of Origin":"GUANGZHOU","Certification":"3c.ce","Packaging Details":"Regular Packaging","Payment Terms":"L\/C,T\/T,","Supply Ability":"100 Pieces\/month","Steering Type":"Servo Steering","Operating Temperature":"0-50\u00b0C","Charging Method":"Automatic Charging","Load Mode":"Back Lifting","Load Capacity":"0 - 1.5ton\/Customized","Drive Method":"Differential Drive","Size":"1150mm*850mm*265mm(customized)","Navigationmethod":"Laser, QR Code, SLAM Navigation (optional)"}}