... and devicesFeatures1.Elegant appearance,simple and fashional,surface use uv spray-finishing, bright colors.2.install high quality li-ion battery, ... ;1.Elegant appearance,simple and fashional,surface use uv spray-finishing, bright colors.2.install high quality li-ion battery, ... ;1.Elegant appearance,simple and fashional,surface use uv spray-finishing, bright colors.2.install high quality li-ion battery, ...