Defender FreeMotion B520
 | Outdated Product Inexpensive practical on-ear closed-type wireless headphones with good battery life, volume control and a built-in microphone for hands-free calling. They feature a utilitarian and stylish design, as well as ease of use. The adjustable headband provides a quick adjustment to the anatomical features of the user's head and creates a moderate pressure, which is enough for a secure fit on the head of any size. Soft, elastic, wrap-around ear cushions trimmed with artificial leather guarantee an average level of passive noise isolation and do not cause discomfort during prolonged listening. To connect the Defender FreeMotion B520 headphones to a digital audio source, an energy-efficient bluetooth 4.2 wireless interface is used, which provides stable connections at a distance of up to 10 m. L...arge dynamic drivers with a diameter of 40 mm, according to the manufacturer, can reproduce the full frequency range from 20 to 20,000 Hz. The sound of this model has a balanced character with a slight bass overtone, which does not significantly affect the clarity of reproduction of mid- and high-frequency sounds. Built-in lithium-ion battery provides up to 7 hours of battery life. When it is discharged, listening can be continued using a cable connection with a 3-pin mini-Jack 3.5mm connector. |
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Inexpensive practical on-ear closed-type wireless headphones with good battery life, volume control and a built-in microphone for hands-free calling. They feature a utilitarian and stylish design, as well as ease of use. The adjustable headband provides a quick adjustment to the anatomical features of the user's head and creates a moderate pressure, which is enough for a secure fit on the head of any size.
Soft, elastic, wrap-around ear cushions trimmed with artificial leather guarantee an average level of passive noise isolation and do not cause discomfort during prolonged listening. To connect the Defender FreeMotion B520 headphones to a digital audio source, an energy-efficient bluetooth 4.2 wireless interface is used, which provides stable connections at a distance of up to 10 m.
Large dynamic drivers with a diameter of 40 mm, according to the manufacturer, can reproduce the full frequency range from 20 to 20,000 Hz. The sound of this model has a balanced character with a slight bass overtone, which does not significantly affect the clarity of reproduction of mid- and high-frequency sounds. Built-in lithium-ion battery provides up to 7 hours of battery life. When it is discharged, listening can be continued using a cable connection with a 3-pin mini-Jack 3.5mm connector.
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