General description You can create DIY programs via Bluetooth using your mobile phone anytime and anywhere. This Bluetooth LED Name Badge is fashionable and eye-catching, making it the best choice for trade shows, parties, conferences, and concerts. It can be used in various settings such as exhibitions, restaurants, and promotions, serving as a versatile LED sign. Technical specifications Type: Black Frame Red Font Size: 90 x 30 x 6 mm Material: ABS Package Contents: 8 x Electronic Badge Measurement allowed error: +/- 1-3 cm Usage Show different messages at different times and situations. Supports multiple languages including Chinese, English, Korean, Japanese, Russian, and Spanish.