200m distance bluetooth tour guide system

{"cid":"91171271","title":"Long Distance 008C Bluetooth Tour Guide System Black With Li - Ion Battery","imgUrl":"https:\/\/img.chinax.com\/nimg\/f5\/43\/ddc315e5c6a85e30e4eabc677dd1-200x200-1.jpg","attrs":{"Price":"negotiation","Brand Name":"humantek","Model Number":"008C","Minimum Order Quantity":"1pcs","Delivery Time":"7days","Certification":"CE,RoHS","Place of Origin":"China","Payment Terms":"L\/C,Paypal","Supply Ability":"500 pieces per week","Packaging Details":"packed in carton box","Product":"Tour guide device","Color":"Black","Componet":"Transmitter&Receiver","Power":"Lithium Battery","Feature":"play audio files","Application":"Factory reception"}}