Behind the Ear Hearing Aids Voice Amplifier (*LR44)
Model: XM-909E - Help hearing-impaired to raise the audition and hear voice and do barrier-free communication with others - Operation switch: on/off volume control - Including 3 differently sized ear buds - 1 spare LR44 batteries included - Powered by 1 x LR44 battery (included) - Comes with English user manual