... board , led desktop sign with USB data input and rechargeable battery, good for event, 258 x 54 x 15 mm High quality ... & Best- selling SMD Portable led sign board for shops USB Led mini ... ,led famous brand sign,electronic information board,let desktop sign function Hold this pretty ... 54 x 15 mm- Weight: 240 gram- Color: White Single (Other available colors: Red, Yellow, Blue, Green ...