Bluetooth technology The JBL Clip 4 Portable Bluetooth Speaker, the fourth generation of the well-known JBL Clip speaker, has new features. It now has a stronger body and produces an even more powerful sound for any situation, no matter where you are. Enjoy your favorite playlists for up to 10 hours on a single charge when you pair your smartphone or tablet with Bluetooth 5.1. Long-lasting design The integrated clip is ideal for hanging in your tent or cabin or for securing to your belt or backpack for a travel soundtrack. You don't have to be concerned about mud or rain because it is dustproof and waterproof. Any dirt can be easily washed away. Because of its IP67 certification, it can safely be used in water up to one meter deep.