- The cable strain relief on the left ear was loose already after one month.
- No headphone jack on the handset to change the feed can
To prevent cable break, I have the cable properly secured with ISOBAND because it does not restrict the function and the kink protection was further improved by, I have omitted return. A headphone jack on the handset would be a better solution than a rigid supply. Tearing of the cable would not harm the handset, a broken, broken supply line could be replaced conveniently.