24h using duration personal hearing amplifier

{"cid":"91215259","title":"New Arrival Microphone Wireless Invisible Hearing Aid In Ear Earphones Hidden Mini Amplifier","imgUrl":"https:\/\/img.chinax.com\/nimg\/46\/d4\/0b4658a36be6ad277112f89eacbe-200x200-1.jpg","attrs":{"Price":"$45.00\/pieces 1-9 pieces","Brand Name":"saferlife","Model Number":"SL-H716T","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":"8 channel","Port":"Guangzhou","Supply Ability":"600000 Piece\/Pieces per Month"}}