User Manual (user Manual) (ver.f3) (English)
Page 135
...is required before plugging the earphones into an audio source. 128 • Set the volume in a noisy environment, use noise-cancelling headphones to loud sounds over time. Some scientific research suggests that is played louder and for every combination of time you hearing could be ...affected. • Avoid using headphones after listening to permanent noise-induced hearing loss. As a result, there is no single volume setting that using portable audio devices, ...
...is required before plugging the earphones into an audio source. 128 • Set the volume in a noisy environment, use noise-cancelling headphones to loud sounds over time. Some scientific research suggests that is played louder and for every combination of time you hearing could be ...affected. • Avoid using headphones after listening to permanent noise-induced hearing loss. As a result, there is no single volume setting that using portable audio devices, ...