Immersive Deep Bass and HD Sound: Stable CSR stereo chip & 40mm dual bass drivers with lager-aperture, for premium audio performance. C5 Wireless Headphones is a great choice for your TV, laptop, iPhone to listen to music and watch movies. Black over-ear headsets, makes you more fashionable and cool. C5 Wireless Headphones are suitable for man and women. Advanced Noise Reduction Technology: Advanced CVC 6.0 noise reduction technology keeps you away from environmental noise for clear phone calling and provide you an immersive musical experience. Please do note that it is not active noise cancellation(ANC). It means it can't cancel the noise completely. Comfortable Wearing and Long Playback Time: It provides you about 24 hours with 50% volume of playtime in wireless mode with 400mAh Lithium polymer battery. It is wrapped by soft memory-protein leather for over-ear fit, and stretchable headband and swiveling ear cups make you could listen to music for a long time, when you are traveling or doing exercise in the gym.