▁great ▁a ▁challenge ▁for ▁the ▁relatively ▁small ▁company . ▁▁ ▁The ▁ 1 9 9 5 ▁take over ▁of ▁Bern af on ▁by ▁William ▁Dem ant ▁resulted ▁in ▁the ▁opening ▁of ▁new ▁sales ▁companies ▁and ▁expansion ▁of ▁the ▁product ▁offering . ▁ ▁In ▁ 2 0 1 6 ▁Bern af on ▁celebrated ▁its ▁ 7 0 th ▁anni versary ▁in ▁the ▁hearing ▁aid ▁industry . ▁ ▁Product s ▁▁▁ 1 9 4 6 : ▁A 1 ▁ 2 - Pack , ▁first ▁port able ▁hearing ▁instrument ▁▁ 1 9 5 8 : ▁G - Series , ▁pocket ▁hearing ▁instrument ▁with ▁trans istor ▁▁ 1 9 6 3 : ▁H - Series , ▁first ▁behind - the - ear ▁instrument ▁▁ 1 9 8 6 : ▁Char is ma , ▁first ▁in - the - ear ▁instrument ▁▁ 1 9 8 8 : ▁P HO X , ▁world ' s ▁first ▁digital ▁program m able ▁hearing ▁system ▁▁ 1 9 9 2 : ▁Audio flex , ▁hearing ▁instrument ▁with ▁remote ▁control ▁▁ 1 9 9 9 : ▁Sm ile , ▁first ▁fully ▁digital ▁hearing ▁instrument ▁▁ 2 0 0 2 : ▁Sym bio , ▁world ' s ▁first ▁Ch ann ell Free ™ ▁hearing ▁instrument ▁▁ 2 0 0 7 : ▁B rite , ▁award - win ning ▁design ▁with ▁external ▁speaker ▁▁ 2 0 1 2 : ▁Chron os ▁N ano , ▁receiver - in - the - ear ▁instrument ▁with ▁Ada pt ive ▁Fe ed back ▁Can cell er ▁Plus ▁▁ 2