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Portable PC interface fetal doppler monitor with LCD display	Sound amplifier hearing aids with adjust tune and on/off power switch	BTE Hearing Aids with CE, FCC and RoHS Marks	Left Right Hearing Aid, Mini Sound Amplifier Behind Ear with Zinc Air Battery/AG13 or A675
4 channel WDRC digital hearing aids with 12 frequency bands and telecoil function	Invisible hearing aid in 2017	China Supplier BTE Hearing Aids with CE FDA and Zinc Air Battery A13	Rechargeable Digital Hearing Aids, ITE in The Ear Sound Voice Amplifier