Klein Tools' wireless Bluetooth Speaker with Magnetic Strap offers great sound plus more mounting options. The flexible strap can be used on conduit, backpacks, cooler handles, belt loops... wherever you want to go. A magnet is smartly embedded in the strap allowing you to attach it to any ferrous surface. This speaker provides high-quality, crisp treble and bold bass via a wireless Bluetooth connection or wired auxiliary input. With great sound, the hands-free speakerphone, and superior mounting options, this rugged speaker is essential for both on and off the job site.