功能

• ESC-54 was renamed EHC-50.
• It comes with a shoulder strap that can be used as a carrying case. (Removable)
• There is a belt ring on the back and you can put it on your waist, but you cannot use the belt clip at this time.
• The external appearance is the same as the EHC-50 (ESC-54)/EHC-51, but only the EHC-51 has a hook on the bottom, and if you remove this hook, you can place the case and charge it on the charger.