The Sound World Solutions CS50+ may look like an ordinary Bluetooth cell phone headset, but it also delivers superb sound quality and speech intelligibility for the sounds around you, from your phone and for audio streaming. The Sound World Solutions CS50+ Personal Sound Amplifier is customizable to help you hear everything happening around you with crystal clear clarity. The CS50+ doesn't just turn up the volume; it cleans up the sound—delivering superb sound quality and speech intelligibility while cancelling feedback.
CS50+ Personal Sound Amplifier User Guide