wrist worn indoor positioning system

{"cid":"91224098","title":"Intelligent Touch Screen Positioning Watch Wrist Worn Accurate Positioning Ultra Long Standby Intelligent Sleep Heart Rate","imgUrl":"https:\/\/img.silkroadsl.com\/nimg\/6c\/0e\/80f5e30b0f4992c835d2c125a044-200x200-1.jpg","attrs":{"Price":"Price Negotiable","Brand Name":"WIN&SD","Model Number":"UT-349","Minimum Order Quantity":"1","Delivery Time":"30 work days","Place of Origin":"CHINA","Supply Ability":"100","operating frequency band":"UWB:7.74-8.24 GHz(channel 9)BLE:2.4-2.4835 GHz","transmit power":"<-41dBm\/MHz","Operating Temperature":"-20-60\u2103","Protection level":"IP67","power supply method":"DC 5V","standby time":"\uff1e10 days"}}

{"cid":"91221617","title":"Blood Pressure Digital Monitor With LED display easy handling","imgUrl":"https:\/\/img.silkroadsl.com\/nimg\/ca\/31\/f3aa79d988694c49d2ff90cd2a61-200x200-1.jpg","attrs":{"Price":"5USD ~ 15USD","Brand Name":"HANYUE","Model Number":"HY-10","Minimum Order Quantity":"60pcs","Delivery Time":"5-8 Working days","Certification":"CE\/FCC\/ Rohs \/FDA","Place of Origin":"China","Payment Terms":"D\/A, D\/P, T\/T, Western Union, MoneyGram","Supply Ability":"100000pcs","Packaging Details":"OPP packing, 30PCS \/Carton","Product Name":"Blood Pressure Monitor","Display:":"Digital liquid crystal display","Power Supply:":"4 AAA batteries 1.5V","Memory Function":"99sets","Accessories included":"Warranty Card, Certificate, Wrist band,Product Manual, Storage Bag","Application":"Medical Healthcare, Adult, familes and adult, Hospital, Arm \/obses"}}