1. Pls charge this clipper for 30min ~ 1 hour when using the clipper by AC power cord. Lack of battery power may cause a weak operation even if it is used by AC power cord.

2. This clipper may cause a shorter life in cases of overcharging more than 10 hours or at full discharge.

1. Place 1~2 drops of oil before, during and after using this clipper. Failure to observe this may cause a worn-out dull with heat, so that shortens clipper life. Pls keep this clipper to be cleaned and oiled for a longer use.

2. When haircut doesn't work well, disassemble the blade set for cleaning and oiling and reuse the clipper. Replace the blade set if the clipper doesn't cut well.