The MaxIT Blue is a hearing aid accessory designed for use with the MaxIT Pulse (see separate entry) by people who are hard of hearing. The wireless Bluetooth-enabled audio transmitter unit plugs directly into a variety of audio/AV devices including mobile phones, desktop and laptop computers, personal digital assistants (PDA), iPods and other MP3 players, stereo and home entertainment systems and televisions. The MaxIT Blue connects to these devices using a 3.5mm stereo jack (included) and converts each device’s audio output into a Bluetooth signal (version 1.2 Class II). When used with the MaxIT Pulse (see separate entry), which transmits the Bluetooth signal to a hearing aid. The MaxIT Blue has a maximum range of 10 meters. A user's guide is included. POWER: A built-in battery is included as is an AC/USB charger. The Blue supports up to 7 hours of continuous use. WEIGHT: 16.5 grams.