Free To Go Anyplace: Easy to take Wireless Bluetooth Speaker and Outdoor Portable Speaker to everywhere like going for a walking,driving,camping,riding,enjoybeach time or pool time, The robust construction ensure durability for a long time use of most outdoor activities,With a special bracket interface, can be use the bracket fixed on the bike Long Time Battery Life:Wireless Bluetooth Speaker and wireless portable speaker built-in 4400mah batteryen sure 12 Hours Long Battery Life Bluetooth Speaker with full charge.Especially suitable for going for a trip, a camp, a picnic time, a golf time, a pool party and so on. Also a perfect choice for those who like to enjoy the music from morning to the evening IPX7 Waterproof: Wireless waterproof Speaker and Wireless Bluetooth Speaker For Pool And Beach. Means it's safe for poolside, beach, or a little rainy camp day for this wireless outdoor bluetooth speaker is splashproof and Crashproof. Note Can not make this Bluetooth speaker immersion in water