... appearance,simple and fashional,surface use uv spray-finishing, bright colors.2.install high quality li-ion battery,fully power supply. ... appearance,simple and fashional,surface use uv spray-finishing, bright colors.2.install high quality li-ion battery,fully power supply. ... ,simple and fashional,surface use uv spray-finishing, bright colors.2.install high quality li-ion battery,fully power supply. ...