britzgo hearing aidswireless digital usb rechargeableear for the deaf elderly hearing aid sound amplifier bha-1204scouts

brand namebritzgo originchina mainland model numberbha-1204 for peoplemoderate hearing loss full-on acoustic gain365db average ospl901084db frequency response200-3200hz max ospl90128+3db product size/uint43*16.5*11.3mm product weight/unit7g functionaudifonos