It features wireless connectivity (often Bluetooth 5.0 or higher) for connecting to devices like phones or tablets.
The flat, ultra-thin speakers are designed for comfort, making them suitable for side sleepers and activities like yoga or running.
The fabric is typically soft, breathable, and stretchable, with a washable design after removing the internal control pod.
It often doubles as a sleep mask and a sports headband, providing hands-free calling functionality.