Designed for an excellent listening experience with Top quality . super soft earpads, easily adjustable headband providing a comfortable, customized fit.SV-Smart Bluetooth headphone with CSR8645 chip,around-ear cushion design can provide robust, immersive and crystal Hi-Fi sound.Bluetooth headset can easily and quickly connect with smartphones, tablets and other Bluetooth devices within 33 feet.Useful for travel, work… Advanced active noise reduction technology, makes you focus on what you want to hear,enjoy your music, movies and videos. The function can work well both in wire and wireless mode.Enjoy up to an amazing 10 hours of music . Or use the included 3.5mm cable to switch to a wired connection and use your phone without draining any battery at all. Change from wireless headphones to wired headphones in seconds.