The Bionic Ear 2Plus Personal Sound Amplifier is the 3rd generation device tends to replace both versions of the SE and G2 of the Bionic Ear Personal Sound Amplifiers. The unique feature that equipped with the 2Plus is its latest stereo ear-bud comes with the USB Mini Type-B audio connector supplement the device's powerful sound amplification electronics for picking up 45dB audible sound waves in the 4 to 6 kHz frequency region. The device is battery operated by two triple-A batteries (sold separately) in turquoise, weighs only 0.7 oz (without batteries installed) in a compact plastic case, most suitable to amplify soft and weak environmental sounds. The device is a personal sound amplifier intended to amplify environmental sound for the non-hearing impaired consumers but not a hearing aid alternative. Excellent for watching birds, listening to lectures with a distant speaker, hearing soft sounds that would be difficult for normal individuals to hear, to amplify sounds and voices surrounding you for performing day-to-day activities with fewer efforts. The device may be used for sound masking in the attempt to make ringing far less noticeable. For those who need to upgrade the Bionic Ear 2Plus Personal Sound Amplifier for meeting their supplemental requirements may have the options to sourcing on Amazon.com the 5-pins mini USB adapter to 3.5 audio connector along with the Amazon.com Panasonic headphone.