Everything you love about Alexa, now in true wireless earbuds. Enjoy premium sound, limit background noise with Bose Active Noise Reduction, noise pass thru. Sweatproof, splash/waterproof. Advanced microphones give you hands-free access to Alexa - no tapping required. Can be used with both android, apple or any Bluetooth phones and devices. Battery is little over 5 hours use per charge and you get additional 20 hours of battery from charging case. It has built-in fast charger technology, 15 min charge, can give you about 2 hours of use. You can also customize sound thru Alexa sound app by downloading from app store.