About Product: Product Name: Crystal Bagpack Features: Stylish & Futuristic Design 🌌: Stand out with a unique, sleek, and modern knight-inspired look! Easy-to-Use App 📱: Control and customize your LED display right from your smartphone. Just download the app and start creating! Bluetooth Connectivity 🔗: Connect seamlessly via Bluetooth for smooth, wireless control of your backpack’s LED features. Spacious & Practical 🧳: Roomy interior compartments make it easy to organize your laptop, books, gadgets, and other essentials. Perfect for Commuting, Travel & More 🚇✈️: Ideal for students, travelers, tech enthusiasts, and anyone looking for a bag that’s as smart as it is stylish. USB Charging Port 🔌: Conveniently charge your devices on the go with the built-in USB port (power bank not included). Lightweight & Comfortable 🎒💨: Padded shoulder straps and back support for all-day comfort, even with a full load!