Water Bottle Fixing Bracket: This product can fix the water bottle directly on the bicycle crossbar. It is suitable for water bottles with a diameter of 2.55 "-3.5 ". It can be easily taken out with one hand without putting it in a backpack, providing convenience and practicality for cyclists..Multi-functional Use: The fixed bracket can also be used to fix Bluetooth speakers. The one-piece design is more durable, and you can enjoy the leisure time outdoors. It is suitable for most bicycles, golf carts, UTVs, off-road vehicles, etc. and is suitable for multiple scenes..Anti-slip and Shock Absorption: The fixed binding is made of anti-slip leather to increase the friction between the speaker and the straps, and it is not easy to fall off even on bumpy ground. Built-in pearl cotton filters road vibrations and enjoys music quality..Adjustable Buckle: The fixed bracket can be adjusted ly to adapt to the fixation of pipes of different sizes. It is suitable for pipes with a diameter of 1.49 "-1.96 ". The internal webbing design is strong and durable, not easy to break, and extends the life..Velcro Installation: The fixing bracket adopts the Velcro installation method, which has long-lasting adhesion and easy adjustment. It can be easily fixed to speakers of different specifications and shapes. It is small and light and can be quickly disassembled and assembled.