Search the Bluetooth clients (mobiles e.g.) within (about 30 meters) automatically. Establish link with Bluetooth clients (mobiles e.g.) and send files automatically. Sending to seven Bluetooth clients simultaneously. All formats are supported: text, image(jpg, gif, png, e.g.),mp3, mp4, 3gp, e.g. As fast as 100kB/s, depends on the Bluetooth class of mobile and actual environment. Transport distance: 30-40 meters (in radius) in open environment. Non-stop searching, no duplicated sending. Dimension 18cm*15cm*3.5cm.
