king's store 8 Digits Ultra Thin Slim Mini Credit Card Design Solar Power Pocket Calculator 2 PCS packing, brand new and high quality 100% Note;Our product is fully solar-powered and requires sufficient light to work properly.Ultra thin, portable and useful With the shape modern design, easy to carry and practical to use Energy saving and environment friendly Solar powered, no battery needed,There are a lot of high quality new products in our store, welcome you the presence