Bluetooth technology The fourth generation of the popular JBL Clip speaker, the JBL Clip 4 Portable Bluetooth Speaker offers updated features. It is now wrapped in a sturdier body and packs even punchier sound for all occasions, anywhere you are. Connect your smartphone or tablet using Bluetooth 5.1 and enjoy up to 10 hours of your favourite playlists per charge. Durable design The built-in clip is perfect to attach to your backpack or belt for a soundtrack for your travels, or for hanging in your tent or cabin. It is waterproof and dustproof, so you don't need to worry about rain or mud. You can simply wash any dirt off. The IP67 certification means it will be safe in water up to 1 m deep. Speakerphone If you get a phone call while connected to the Clip 4, you can use the built-in speakerphone to chat without having to disconnect your phone.