Bluedio Hurricane H(Shooting Brake) Bluetooth 4.1 Headphone for Mobile Phones - Retail Packaging - White Iconic powerful bass resonance of Bluedio: 57mm ultra-large dynamic drivers, let you feel the bass resonate deep in the chest, enjoying the best sound quality. Connectivity Technology: Wireless Ultra-long operation and carefree calling from Bluetooth 4.1: With robust high speed CPU of Bluetooth 4.1 operating system, decrease up to 40% power consumption compare to Bluetooth 4.0. Customized function: Audio Sharing allows you to connect to another H (Shooting Brake) headphone via audio cable, share music feast with your friends instantly. Comfortable wearing: Custom fit supra-aural soft earmuffs, artificial protein leather of earmuffs simulated to human skin texture, ensure long lasting comfort in various rugged circumstances. Convenience: Just a plug with audio cable, then listen to your favorite tracks without using any battery, no matter how long is your playlist. Also prompt (Chinese, English, French, Spanish).