Features ​【Support】Support, English, Numbers, symbols, global language. 【Product Display 】Display 8 text messages or 8 text&image messages; maximum 1500 English characters and 760 Chinese characters. 【Product Usage】Applied in: station, airport, shopping malls, hospitals, hotels, Banks, securities market, construction market, the auction house, upscale restaurants, cafes, tea bar, KTV, cake shop, supermarket, tourist attractions, etc. 【Product Capability】4 grades of brightness, 8 levels of speed adjustment, 16 image available. 【Support system】 for 7/XP/2000/98, etc. Specifications: Product size: Approx. 93 x 30 x 5mm/3.66 x 1.18x 0.2inch How to wear: pin/magnet adsorption Display: 12 actions (upper, lower, left, right, stationary, reserved, snowflake, window display, digital display, running horse light, flashing, border) Charging: USB powerBattery(Built-in): 3.7V 240mA Communication interface: USB Color: red digital display Charging time: 3 hours Weight: 90g Package Included: 1 x LED Name Badge 1 x USB cable Package List 1 x LED Name Badge 1 x USB cable