Features:- You can do DIY program by mobile phone via Bluetooth any where any time.- Fashion and eye-catching, the best choice for your Trade Show, Party, Conference and Concert.- Maximum save 8 programs, can switch it easily by press button. Show different message in different time and situation.- Party, exhibition, restaurant, waiter, guider, model car, model bus, driver, promotion, sales person, as a LED sign, you can use it any place.Specifications:Screen size: 93*23mmProduct size: 97*28*6mmPackage included:1 x LED Badge1 x USB Charging Cable1 x User ManualNotes:1. Manual measuring, please allow 1 ~ 3mm error,thank you.2. Due to the difference between different monitors, the picture may not reflect the actual color of the item. We guarantee the style is the same as shown in the picture.