movssou e7 active noise cancelling headphones bluetooth headphones wireless headphones over ear with microphone deep bass, comfortable protein earpads, 30 hours playtime for travel/work, black movssou enjoy a better wireless experience with e7 active noise cancelling headphones. exclusive technology delivers deep, immersive sound at any volume. microphone system rejects noise and wind so you'll be heard loud and clear. movssou e7 wireless headphones use the bluetooth 5.o technology so you can easily connect to your mobile devices with seamless audio/video sync. a rechargeable lithium-ion battery lets you listen for up to 30 hours. movssou e7 noise cancelling headphones are lighter and more comfortable than other comparable bluetooth headphones so you can enjoy them all day long. wear them almost anywhere, and experience the uncompromised wireless performance.<br><br> <b>key specifications</b><br> impedance: 16ω<br> s/n: ≧80db <br> frequency response: 20 hz - 20 khz<br> play time: 30hrs<br> driver: 40 mm<br> range: 15 m / 49.21 ft<br><br> <b>what’s in the box</b><br> movssou e7 active noise cancelling bluetooth headphones<br> micro-usb cable<br> 3.5 mm audio cable<br> user manual