Crafted with a sturdy aluminum exterior, this portable Bluetooth-compatible speaker is built to endure rugged outdoor conditions, ensuring reliability on all your adventures. Experience robust sound in a compact form factor with this wireless stereo speaker, delivering impressive volume ideal for picnics, biking, hiking, or any outdoor activity. Personalize your audio experience with pre-loaded voice packages on this outdoor subwoofer speaker, adding a unique touch to your cycling trips or outdoor gatherings. Seamlessly connect to your devices using advanced Bluetooth-compatible 5.0 technology on this bicycle speaker, guaranteeing high-quality sound whether you're in the city or atop a mountain. Enjoy uninterrupted music playback during your rides with the long-lasting 400mAh battery of this mini wireless speaker, complemented by a detachable controller for convenient access while cycling. Item Name: Speaker Material: Aluminum Alloy Battery Capacity: 400mah Charging Port: Type-C Bluetooth-compatible: V5.0 Sound: 16 Built-in Sounds Features: Practical, Wireless, Easy to Use Size Details: L: 4.8cm/1.89", W: 4.5cm/1.77", H: 3.7cm/1.46" (Approx.) Notes: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Package Includes: 1 x Speaker 1 x Connector 1 x Base Bracket