Review on Sony - C400 Wireless Behind-Neck In Ear Headphone White (WIC400/W) by Anastazja Socha ᠌

These are some advantages: The sound quality is acceptable, particularly considering the low price. Although the manufacturer does not announce a frequency of 6 Hz, experiencing nausea as a result of listening to music is not likely. Comfortable neck strap. Huge capacity battery NFC. Many disadvantages: The absence of multipoint was an unwelcome and unanticipated discovery. If you want to use your headphones with more than one electronic device at the same time, you will need to detach the cable connecting them to the first device. Because I believed that multipoint was already available elsewhere, I didn't bother to ask if it was available here; nevertheless, it wasn't. When the headphones are not being worn over the ears, they are said to be "hanging out." It's really simple to misplace ear pads, but luckily I have a good number of them leftover from my old headphones. There is no typical indicator of the battery charge level; nevertheless, immediately before the device shuts down, a female voice reports that the battery is low. After a couple of months of use, one of the earphones quit functioning properly.