Echo Buds. No end in sound. Rich, balanced sound, crisp audio, and up to 20 hours of battery life will keep you locked in for whatever audio experience you crave. Grab sound by the ear with sweat resistant, Bluetooth 5.2 earbuds featuring 12mm drivers, 2 mics and a voice detection accelerometer for crystal clear communication. Embrace the power of wireless listening with Dual Connect. Enjoy music or make calls with just your left ear, right ear, or both buds at the same time.