... Electronic Calculator: 1,2012 New Items 2,Dual Power Supply 3,Portable,Foldable,Simply 4,Best Gifts for ... Silicone Gifts . 2012 Novelty Items for Promotion , Dual Power Calculator Silicone .Specification Item Name8 Digits Electronic Silicone CalculatorItem No ... , Promotion Gifts4, Special Use: for business men .Features:1, Dual Power ( Battery + Solar Panel ) .2, Waterproof . 3, Portable .4, Foldable . ...