Navy Blue Bose SoundLink Micro Bluetooth Speaker Take bold sound on the go. Our SoundLink Micro Bluetooth speaker is portable and rugged enough for any adventure. It delivers sound that packs a punch — crisp and balanced, with surprisingly deep bass. Plus, it's IP67-rated as waterproof, dustproof, and extreme temperature proof. Its tear-resistant strap means you can bring your music anywhere, or pair with other Bose speakers for more sound.