Elevate your creative expression and advertising with this versatile LED Matrix Panel, designed for easy Bluetooth APP control and full customization. Crafted with lightweight electronic components and powered by a rechargeable 3.7V 250mAh polymer lithium battery, this LED sign delivers up to 4 hours of continuous operation on a single charge. The flexible board design and compact size (approximately 155 x 33mm) allow effortless installation on hats, backpacks, shoes, cabinets, car windows, and more, making it perfect for dynamic displays in various environments. Key Features: · Bluetooth APP Control: Seamlessly connect via Bluetooth to the dedicated APP, featuring an array of built-in patterns and animations that are continuously updated to provide fresh creative options. · DIY Customization: Personalize your LED sign by designing custom texts, patterns, and animations with adjustable brightness and multiple display modes to suit any occasion or message. · Battery Powered & Rechargeable: Equipped with a lightweight 250mAh polymer lithium battery that supports approximately 4 hours of continuous use, recharge quickly via the convenient USB micro charging interface. · Ultra-Lightweight & Flexible: Weighing only 43g (1.52 oz) with a slim flexible board design, this sign is highly portable and easy to install on a wide range of surfaces and accessories. · Wide Application Range: Ideal for car advertising, retail shops, bars, game rooms, cycling events, holidays like Christmas and Halloween, parties, birthdays, and other festive occasions requiring eye-catching illumination. · Easy Installation: The small battery pack power supply and flexible form factor enable simple attachment to various items, enhancing visibility wherever you display your LED panel. Specifications: · Item Type: LED Matrix Panel · Product Size: Approx. 155 x 33mm (6.1 x 1.3 inches) · Light Source: Green Light · Internal Battery: Polymer lithium battery 3.7V 250mAh (included) · Charging Method: USB Micro · Control: Key Switch & Bluetooth APP Programming · Weight: Approx. 43g (1.52 oz) · Material: Electronic Components Package Includes: · 1 x LED Matrix Panel with Internal Battery This LED Matrix Panel combines customizable LED display capabilities with portable design and reliable battery power, making it an excellent choice for personalized advertising, event decoration, and creative messaging. Enjoy intuitive Bluetooth control paired with vibrant green LEDs for vivid and attention-grabbing effects wherever you go.