Bluetooth Compatible LED Nameplate DIY Programmable Scrolling Notice Board Mini LED Display High-Definition Text, Number, and Pattern Display Bluetooth Compatible LED Nameplate DIY Programmable Scrolling Notice Board Mini LED Display High-Definition Text, Number, and Pattern Display Bluetooth Compatible LED Nameplate DIY Programmable Scrolling Notice Board Mini LED Display High-Definition Text, Number, and Pattern Display Product Features: 1. Flexible Wearing Method: Two wearing methods, detachable magnet, easily attaches to refrigerators, metal plates, or other items without causing damage. It can also be pinned to clothing to prevent loss. 2. High-Capacity Battery: Built-in 260mAh rechargeable lithium battery, charging for 2-3 hours, provides approximately 16-26 hours of continuous use at 25% brightness, and 10-13 hours at 100% brightness (brightness adjustable in four levels). It can be fully charged via USB interface when necessary. 3. Wide Range of Applications: Eye-catching LED tags can attract more attention, such as displaying your name, mood, reminders, and advertisements at exhibitions, markets, parties, nightclubs, hotels, etc. Light up any content at will. 4. Upgraded Bluetooth Compatible Programming: Stores 550 English characters via a Bluetooth-compatible app for iOS/Android devices, allowing you to input information on LED tags and change content on your computer screen. Features 8 levels of display speed adjustment to suit your needs and offers multiple display mode settings, including vertical movement, horizontal movement, fixed, blinking, highlighting, and scrolling. Specifications: Font Spacing: 1.93mm Standby Time: 26 hours Screen Size: 85 * 23mm Charging Time: 2-3 hours Product Size: 93 * 30 * 6mm Battery Capacity: 260 mAh Battery Type: Lithium Battery Portability: Pin, Magnetic Brightness Adjustment: 4 levels Storage Capacity: 350 Chinese characters or 550 English characters Usage Time: 10-26 hours (Usage time varies depending on screen brightness)