bluetooth earphones tour guide system

{"cid":"91171271","title":"Bluetooth GPSK Tour Guide Headset System 200m Working Distance","imgUrl":"https:\/\/img.chinax.com\/nimg\/df\/e8\/8216dada1b95bf8b6148a45e39ae-200x200-1.jpg","attrs":{"Price":"negotiation","Brand Name":"YingMi","Model Number":"E8","Minimum Order Quantity":"1pcs","Delivery Time":"3-7 days","Certification":"CE,RoHs","Place of Origin":"China","Payment Terms":"L\/C, T\/T, Western Union, MoneyGram","Supply Ability":"10000pcs for one month","Packaging Details":"packed in carton box","Place of origin":"China","Battery capacity":"250MAH","Dimensions":"105\u00d770\u00d720mm","Working range":"180m","Frequency":"860MHz-870MHz","Power supply":"Lithium Battery","Modulation mode":"GPSK","Frequency response":"20-22K","Brand":"YingMi","Warranty":"2 years"}}

{"cid":"91224423","title":"3.5mm Audio Plug Disposable Airline Headset Lightweight Tour Guide Earphone for Guided Tours and Travel","imgUrl":"https:\/\/img.chinax.com\/nimg\/ed\/a4\/faf473aa67b765710c2dec4960f4-200x200-1.jpg","attrs":{"Price":"$0.21\/pieces 500-999 pieces","Minimum Order Quantity":"500 pieces","brand name":"OEM\/ODM","place of origin":"Jiangxi, China","chipset":"Others","Codecs":"None","Cord Length":"Customized","material":"PVC+ABS","private mold":"No","Waterproof Standard":"IPX 0","model number":"HE-200 IN-EAR","Product name":"Airline Headphones","Type":"In-ear","Ear cover":"ABS","Cable":"PVC material","Length":"Customized","Speaker":"13mm","Plug":"3.5mm, Single PIN","Sensitivity":"104\u00b110%DB","Frequency range":"20-20,000 Hz","Impedance":"32\u00b12\u03a9","Active Noise-Cancellation":"No","BT wireless":"None","Communication":"Wired","Function":"Waterproof, Noise Cancelling, Microphone","Style":"In-ear","Support Memory Card":"No","Volume Control":"No","Connectors":"3.5 mm","Use":"Portable Media Player, mobile phone, Aviation, Computer, Dj, Airline,big bus,train,Sym,MP4","Control Button":"No","Wireless Type":"None","Is wireless":"No","Packaging Details":"Blister package\/Plastic box\/Pouch\/Poly bag\/Gift box\/PE bag\/Customized","Port":"Shenzhen","Supply Ability":"8000000 Piece\/Pieces per Month"}}

{"cid":"91222783","title":"High-Performance Wireless Bluetooth Earphones with Advanced Chipset and Long Battery T19","imgUrl":"https:\/\/img.chinax.com\/nimg\/5f\/50\/ef2f4029103cabb1e3098b4db8b6-200x200-1.jpg","attrs":{"Price":"USD 12.9 \/PC","Brand Name":"Rainbuvvy","Model Number":"T19","Minimum Order Quantity":"10 pcs","Delivery Time":"5-8 work days","Certification":"CE,FCC","Place of Origin":"China","Payment Terms":"L\/C, T\/T","Supply Ability":"100pcs per 5 days","Packaging Details":"10cm*8cm*5cm","Color":"Blue","Charging Method":"TYPE-C","Chipset":"ZK5636H","BT":"BT 5.4\/3.0","ANC\/ENC":"support","In-ear detection":"support","touch":"COB"}}

{"cid":"91215259","title":"Cheap Smart Care Medical Electronics Wireless China Wholesale Earphone Gaming Hearing Aid With Bluetooth","imgUrl":"https:\/\/img.chinax.com\/nimg\/97\/ca\/51af398e901ce7aa69728d6befcc-200x200-1.jpg","attrs":{"Price":"$135.00\/pieces 1-9 pieces","Brand Name":"saferlife","Model Number":"SL-H816","Minimum Order Quantity":"10","Place of Origin":"Guangdong, China","Instrument classification":"Class I","Warranty":"3 years","After-sale Service":"Free spare parts","Product Name":"Hearing Aid","Color":"Black","Packing Size":"100mm*100mm*39mm","Response range":"\u2264500 Hz~\u22654000 Hz","Battery Type":"Lithium Battery","WDRC Channel":"16 channel","Port":"Guangzhou","Supply Ability":"600000 Piece\/Pieces per Month"}}