Origin:China Mainland Model Number:B350A Power supply:Lithium Battery Standby time:120 hours Charge time:40 minutes Wearing method:back of ear Maximum OSPL:130dB+5dB average OSPL:120±5dB power:5V/1A
AiQUE Recharge Ear Hearing Aids Mini Powerful Sound Amplifier Invisible Listen Deafness High Quality Batteries Elderly Deaf