Bluedio Bluedio Turbine Hurricane H Bluetooth 4.1 Wireless Stereo Headphones Headset AP -ZH Black Iconic powerful bass resonance of Bluedio, Unexpected 57mm ultra-large dynamic drivers, turbine style housing, with iconic Bluedio surging low-frequency shock Ultra-long operation and carefree calling from Bluetooth 4.1: Ultra-long 40 hours music, high-performance decoding chip, USB 7.1 channel surround sound effect for PC gamers with breathing LED light. 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(buy separately), then listen to your favorite tracks without using any battery, no matter how long is your playlist. H-turbine also incorporate 4 languages voice prompt(Chinese, English, French, Spanish)