I purchased this for my elderly mother on Amazon for 4600 yen, but I accidentally bought two, so I'm selling one. It's a simple one because my mother can't use complicated devices. New, unopened #Hearing aid LS311-2 ・Lightweight pocket type, in-ear type, for both ears ・Type-c rechargeable ・52dB amplification ・Feedback suppression ・Noise canceling ・4 modes, including TV mode ・160 hours of use ・8-level volume adjustment ・SOS alarm