Whether you’re biking by yourself, riding along with friends, lounging by the beach, or parked by a scenic roadside — music makes the moment even better. That’s why the GOBIKE portable wireless speaker with BLUETOOTH technology was engineered to keep pace with your life and deliver unmatched sound for its size. This outdoor speaker is small but mighty. The speaker delivers enormous sound and bass, even outdoors, thanks to advanced technology. Plus, it has a rugged exterior that is waterproof and prevents dents and scratches.   The size of the GOBIKE portable wireless speaker has a diameter of 3.24 inches, can play for up to 10 hours, and can quickly recharge within 2.5 -3 hours.  The GOBIKE wireless speaker can attach to your e-bike with an adjustable speaker clip.  The rechargeable lithium-ion battery in the GOBIKE waterproof speaker lets you enjoy up to 10 hours of music that’s deep, rich, and full of life so you can keep the dance party going. Got your hands full? The built-in microphone allows you to take phone calls through the speakerphone and access your phone’s Siri or Google Assistant.