SAP 370 DVI P BTE Open/Classic hearing aid is a Programmable digital behind the ear hearing aid . 7 Channels with 69 dB Gain and fitting range upto 110dBHL . Suitable for mild to profound hearing loss . Battery Size 13.7-Channel.
Danavox SAP 370 DVI BTE Open/Classic 7 Channels Digital Hearing Aid Device Bangladesh (Rehab Hearing).