Apparatus for wireless transmission of acoustic information; [ Wireless telephones; Wireless telephony apparatus; Wireless television set for providing video conferencing and telephone service over the Internet; Cellular phones; Cellular telephone apparatuses; ] Devices for hands-free use of mobile phones; [ Digital cellular phones; Ear phones; ] Hands free kits for phones; [ Internet phones; Mobile phones; Telematics apparatus, namely, wireless Internet devices which provide telematic services and have a cellular phone function; Video phones; MP4 players; Portable listening devices, namely, MP3 players; ] Devices for wireless radio transmission; [ Recording and playing devices for sound and image carriers; Personal digital assistants (PDA); Portable media players; Portable telecommunication instant messaging devices; Portable telephones; ] Communications headsets for use with communication radios,[ intercom systems, or other communications network transceivers; ] Headsets for telephones; Headsets for use with computers; Telephone headsets; Audio speakers; Loud speaker systems; Battery charge devices; Charge-coupled devices (CCD); Charged coupling devices; Amplifier for wireless communications; Audio amplifiers; Stereo amplifiers; Digital audio players; Electric audio playback units; Personal stereos; Stereo receivers