Gelrova Speaker Cycling Backpack - LED Bicycle Backpack With Speakers, Expandable Helmet Storage for Scooter Bike, 15-16" Laptop Compartment, Knight Pro 19inch, Battery not included

Highlights

• Important: Battery pack is not included and must be purchased separately.
• ⚠️ Please be aware:​ As the speakers are not designed for high-volume, professional-grade audio projection, their performance can be significantly overwhelmed by wind noise at high speeds. Therefore, we do not recommend​ this product for use on motorcycles.
• 🚨 Important Note: Ideal Use Cases for the Built-in Speakers 🚨：To ensure your complete satisfaction, please be aware that the built-in audio system of this backpack is specifically engineered for medium-to-low-speed activities like bicycle riding walking . Its sound output is optimized for personal listening and maintaining awareness of your surroundings in relatively quiet environments.
• ⚡️ DYNAMIC LED EYE DISPLAY- Customize your ride identity with 100+ animated eyes via APP (iOS/Android)! Tempered glass shields ensure scratch-resistant screen protection while enhancing visual impact.
• 🔊 IMMERSIVE 360° SOUND SYSTEM​- Dual side-mounted Bluetooth 5.0 speakers deliver high-fidelity audio for navigation alerts and music streaming without compromising road awareness.
• 🚀 SMART STORAGE EXPANSION​- Patent-pending zipper system expands capacity by 70% (14.8L→25.2L) to securely fit full-face helmets + daily essentials.
• 🛡️ ALL-TERRAIN PROTECTION​- Military-grade hard shell defends electronics against impacts. Dedicated 15" laptop sleeve + 16" main compartment with padded dividers protect work essentials.
• ⚠️Please note: Batteries are not included.