Connectivity: Look for Bluetooth 5.2 or higher, dual-device connectivity for seamless switching between two devices, and features like Google Fast Pairing.
Design: Available in various designs, including ergonomic in-ear models that come with multiple ear tip sizes for a secure fit, and open-ear models designed for comfort and situational awareness.
Durability: Many models have an IPX5 or IPX4 waterproof and sweatproof rating, making them suitable for workouts and light rain.