Check the listing for details. RED LED Digital Scrolling Message Name Tag Badge Bluetooth/PC Programmable NEW!. Condition: New. Listed at 18.49 USD. These are available in RED LED Display here. Sometimes as a demo I wear one of these at the Hamfests and shows we attend and we usually run out of stock in no time! Rechargeable, will run all day and bright enough for outdoors. Package includes the one LED electronic badge, one USB cable, and one Instruction sheet. Now is Bluetooth capable on Apple or Android devices. *Please note that we have different display colors available such as Green or Blue in addition to the Red. ​ More details here..... Store up to 8 different messages, 2 logos, and 2000 Characters. 8 Display Effects, 6 Level Speed, 11 animated emoticons Store up to 8 different messages, 2 logos, and 2000 Characters. Rechargeable battery or run through USB cable. Programmable through your PC on XP, Vista, Windows 7, or Windows 8. (Not available for Mac). Adjustable Brightness (25%, 50%, 75%, 100%) 8 Display Effects (Scroll, Snow, Flash, Hold, Left, Right, Up, Down), 6 Level Speed, 11 animated badges Specifications: Chinese for four-character / English for sixth-character, highlighted 0603 SMD LED lamp beads Languages: English, Traditional Chinese, Korean, Japanese, Russian, etc. Function: Maximum 2000 characters can be displayed in English, Chinese 650 characters; Installation: Standard for magnets + pin to your shirt or with the powerful magnet Battery capacity: 250MAH Included and Rechargeable! Charging time: 2-3 hours, 5V USB Working hours: approx. 16 hours depends on brightness settings you set. Product size: 93mm x 30mm x 6mm (L * W * H) **If your system is WIN7, WIN8 or Windows10,11 you need to link the computer first, then the computer will automatically install the driver. If not installed automatically then please use the URL to load the software into your PC. Also note that if the letters appear to run "up" off the screen it is a simple font change under Settings/Options. ​ ​Button 1：Turn On/Off badge- Short press power button Tap again for Bluetooth Ready. Button 2：Switch messages--Short press Message button Adjust Brightness-or Long press Message button