The Japanese company Shiftall has introduced a special Mutallek Bluetooth headset, the main function of which is r r. Such a device can help those who want privacy when making phone calls.
The Mutalk operating principle, based on the Helmholtz resonator assembly, is a sound bubble of an internal receiving chamber that blocks the detection output through alkalis. This results in voices being attenuated by 20 dB and normal loud sounds by 30 dB. The effect works and I take it by the side, calling calls from the outside, so with the + guest of the headset, you can p.
A device controlled via Bluetooth to smartphones running ios and ips iid, as well as + Charging is carried out via a USB-C connector, one charge is enough for 8 hours of operation. Mutalk provides a sensor and only works when it comes close to the face, it can be brought to the mouth during a conversation or attached to a strap, but the appearance at the same time looks rather strange.
Mutalk will go on sale closer to the Catholic Christmas and will cost about $139.
Source: Tech Cult
