betron emr90 wireless over ear headphones with mic bring the signature sound of betron right to your ears. well designed and fashionable, the headphones combine comfort, power and immersive listening experience. sound that moves you, when youre on the move featuring a 40mm dynamic driver, the emr90 offers deep, powerful, and crisp sound, making your overall listening experience just that much better. active noise cancelling technology significantly reduces outside noise. free yourself from wires that get snagged or tangled. these headphones use bluetooth to wirelessly stream music from your smartphone, mp3 player or laptop with a range of up to 10 metres. listen up to 12 hours of music with one charge. easy music control and built in microphone an onboard mic, remote and volume control makes it easy to take handsfree calls or adjust your music, with all the controls conveniently positioned on the earcup. a high-quality microphone makes calls just that much better. functional headphones that go everywhere the main benefit of emr90 foldable headphones is portability. folding up headphones reduces footprint by 40 percent. they are compact and occupy less space in your bag, so you can take them along with you everywhere you go. comfort matters, which is why the emr90 bluetooth headphones are designed with protein leather ear pads. this provides the comfort of real skin and durability of the artificial leather, for longer listening times. the betron emr90 wireless bluetooth headphones pair with your smartphone or tablet for cable-free listening. compatible with all bluetooth audio devices they work up to 10 metres away from your bluetooth wireless device, so you could even pair the headphones with your cell phone during work out, and feel free to walk around the gym with music in your ears. hands-free calling make hands free calls using just your headphones - no need to dig your mobile out of your bag.