The SoundLink Micro BluetoothÃ‚Â® speaker delivers crisp, balanced sound with unexpectedly powerful bass for its size. Thanks to its proprietary Bose technology, including custom-designed transducer and passive radiators, it produces loud, clear sound Ã¢ even outdoors. IP67 rated, itÃ¢s waterproof from the inside out and fully dustproof. With its soft-touch silicone exterior and tear-resistant strap, itÃ¢s built to tag along no matter the action. Attach it to your backpack or mountain bike, and donÃ¢t worry if it falls on the ground. Enjoy up to six hours of play time with a rechargeable lithium ion battery that easily recharges with a Micro-B USB cable (included). Use the Bose Connect app to pair your smartphone or tablet. Voice prompts make Bluetooth pairing simple. Use the microphone to take phone calls through the speaker. Use the multi-function button to access the voice input for your phoneÃ¢s Siri or Google Assistant right from the speaker. For even more immersive sound, pair SoundLink Micro with another Bose Bluetooth speaker, or connect it to a Bose smart speaker to extend your listening experience from inside the home to outside. Available in Black, White Smoke, or Stone Blue.