[EDUPLINK Support]Any inquiries regarding the EDUPLINK Waterproof Portable Bluetooth Speaker, please email us at [email protected]. [All-in-One Audio]: The EDUPLINK Bluetooth Speaker is your compact, rugged, and powerful all-in-one audio companion. With its dustproof, sandproof, and floatable design, it's perfect for various environments. Enjoy crystal-clear sound and loud volume from this portable speaker with a 3600mAh battery, providing up to 20 hours of playback at medium volume with the lights off. Whether you're at the beach, biking, or traveling, this speaker ensures uninterrupted entertainment all day long. Simplify your audio experience with the EDUPLINK Bluetooth Speaker, your go-to choice for on-the-go enjoyment. [Multifunctional Speakers]: Unleash a world of possibilities with the speaker's synchronized RGB lights for setting the perfect ambiance, TF card slot for direct music playback, and AUX input for connecting to various devices, catering to the diverse entertainment needs of tech-savvy users, party hosts, and outdoor enthusiasts. [Immersive TWS Pairing]: Experience a true stereo sound experience with the speaker's TWS capability, pairing with another speaker for a powerful and vibrant audio perfect for patio gatherings, boat trips, and more. [Powerful and Clear Sound]: Elevate your auditory journey with the speaker's 20W output and crystal-clear stereo sound, captivating audiophiles, music aficionados, and even children enjoying immersive playtime. [Long-Lasting Entertainment]: Enjoy non-stop music fun with the speaker's long-life battery, boasting a high-capacity 3600mAh battery that provides an impressive 20 hours of playtime at medium volume with the lights off. It's perfect for travelers, bikers, and outdoor enthusiasts seeking continuous entertainment during their adventures. [Portable Waterproof]: Take your music everywhere with the EDUPLINK Bluetooth Speaker, designed for outdoor adventures, beach escapades, and poolside parties. With its compact size, resembling that of a slightly larger soda can, you can easily carry it in your bag. Its IPX7 waterproof rating ensures a worry-free experience even in the shower, making it the perfect musical companion for adventure seekers, beach enthusiasts, and teens on the go.