Standard version of CIC invisible earpiece, battery life about 8 hours, compared to other brands of earpiece, it has longer time other brands.
Its wire Neckloop does not use batteries, work in quiet place such as home and library.
120 cm long fine cable with external MIC include 3.5-3.5mm adapter, Compatible with Android phones, tablets, Kindle, eReaders, etc
Disclaimer: You must use a certified SR416SW battery to ensure sufficient battery capacity. If you use poor battery, we do not guarantee continuous working time for more than 8 hours.