ClearSounds Amplified power neckloop accessory Mobile, home and office applications Designed for the way you work and play 30dB Adjustable amplification User friendly controls and cables Free manufacturer tech support for life of the product Eco friendly Multiple applications cellular phones, home/office phones, laptop computers, portable gaming devices, iPods, personal/TV listening equipment and other audio devices No need to purchase multiple headsets or switch audio headsets between different activities Approximately 200 hours of operation on 2 AAA batteries included Reduces or eliminates interference between cellular and hearing aid / cochlear processors Requires T coil s Great value 4 connection cables! Each cable is removable from the base 3.5mm to 2.5mm Mono hands free cable used for hands free connections with cordless and cellular telephones with a mono 2.5mm jack phone may have an optional 2.5mm mono adapter if the jack is not built in Certain corded phones that have 2.5mm hands free jacks like the new ClearSounds CSC600 will be able to use the neckloop with this cord 3.5mm to 2.5mm Stereo hands free cable used with newer cellular phones that have stereo 2.5mm jacks phone may have an optional 2.5mm stereo adapter if the jack is not built in 3.5mm to 3.5mm Mono audio cable used with corded phones that provide a 3.5mm mono jack for connection to neckloops and headsets. This same cable can be used with most personal listening systems like the ClearSounds SoundWizard. 3.5mm to 3.5mm Stereo audio cable used with most audio devices that use stereo connectors for their headsets such as iPods, MP3 players, radios, etc. Best sound quality T coil compatible Binaural design Push button slider to cinch neckloop for closer microphone placement Trouble free operation Rotary volume control for easy adjustment and multiple levels of amplification Built in microphone Quick release feature 1 Year manufacturer's warranty BlackCLSCLA7V2