The Soundcore Select 4 Go Bluetooth Speaker by Anker is a portable speaker system designed for outdoor use. It features a floatable IP67 waterproof design and Bluetooth connectivity for convenient wireless audio streaming. The sleek black rectangular shape and durable PC+ABS material make it both stylish and reliable for on-the-go use. With compatibility for both Apple and Android devices, as well as a 2-year manufacturer warranty, this speaker set is perfect for those who enjoy music while adventuring in the great outdoors.