Ergonomic design for comfortable longterm wear The headset shape is modeled to fit the human ear structure, reducing fatigue during extended use. Two optional earplugs provide lasting comfort for business professionals and drivers. The ear hook rotates 180 degrees and the cantilever microphone expands/contracts 270 degrees, allowing you to choose the most suitable angle. Clear calls with ENC dual microphone 13 mm drivers deliver stereo sound with deep bass for a vibrant sound stage. Builtin call noise reduction algorithm and a dual microphone system minimize ambient noise for clearer calls, making conversations feel natural and smooth. Bluetooth 5.1 and broad compatibility Bluetooth 5.1 chip enables smoother pairing, better signal penetration, and a more stable connection. Compatible with iPhone, iPod shuffle, iPod nano, Android devices, Samsung Galaxy, BlackBerry, HTC, iPad Pro, and other Bluetoothenabled phones and tablets. Long battery life and charging case Up to 15 hours of continuous calls and playback, depending on volume. The charging case provides up to 5 additional charges, for a total of 75 hours of use. Ideal for multitasking and allday wireless communication. Use scenarios On the move: ideal for commuting or driving, keeping calls clear and hands. Remote work and meetings: enhanced call clarity in office or home environments. Travel and allday use: long battery life and portable charging case support extended use away from outlets.