Left and right ears have separate touch controls for easy operation and comfortable wear without pressure, providing freedom of movement. diaphragm speaker unit with balanced adjustment technology and meticulous tuning delivers clear layering and richer details. Dual 5.3 Bluetooth transmission solution provides faster transmission and 99 percent higher signal stability, minimizes dropouts, resists wind and reduces noise, and lets the other party hear you more clearly. Function: touch based control on both ears, designed for intuitive use and comfortable long wear. Compatibility: Bluetooth enabled devices; uses a dual 5.3 transmission for stable connections. Size and fit: designed for comfortable allday wear; no pressure during use. Performance: clear audio across layers, detailed sound, and improved transmission speed with stability. Use scenarios: Outdoor commute or windy environments where stable audio and easy control enhance phone calls and media listening. Remote work or online meetings at home or in the office, where reliable Bluetooth performance and clear voice transmission matter. Gym, running, or other workouts where motion and wind can affect audio, yet clear speech and stable connection are needed.