LED Key Ring Electronic Clock Silent Luminous Student Exam Study Backlight LCD Display Mini Portable Sport Waterproof Wa

Silent Luminous ABS Digital Electronic Clock Student Exam Study Library Pocket Watch Green Backlight LCD Display Mini Portable Material: ABS Color: white, green, blue, black, pink, gray Size: 65*25*14mm (2.56*0.98*0.55inch) Power by:AG10 battery (included) Weight: 16g Qty:1pcs Application: study room, office,library, public place etc..