Amazon Echo Buds connect wirelessly via advanced Bluetooth technology. The buds are compatible with Android, Google, and iOS operating systems, and support devices such as PC, gaming consoles, laptops, smartphones, tablets, etc. It comes with Active Noise Cancellation that prevents background noise and allows a crystal clear music experience. The microphone ensures crystal clear communication during calls and hands-free calling. They are sweat-resistant and can be used during physical exercises. The earbuds' sealed in-ear design eliminates any kind of disturbance. It gives 15 hours of playback.