... reader / ULIGHTShell: colorful ABS shell with USB output,Size:L5.5cm*2.2cmUnit weight:30g LED: 0.5 W high brightness LEDFuntion:: TF card reader ... 15-20 minutes it can normally use above 150 minutes. Red color indicates ... pink, black) The product applies to students,home,office,outdoor,emergency eventsfuntion:1. Patrol, ... Night reading, ooking for lost items 3. Nightclubs,party,concerts,it brings carnival ...