Super Snooper Stereo Ear Kit
Stereo audio amplifier boosts sound up to 50 times. It's great for the-hearing impaired (e.g. when watching TV), as a gadget, science project. It has a volume control and on/off switch. 35 pieces.
Power supply: (3) 1.5V AA battery (not included)
Dimensions: 2.4 x 2.1 x 1.7"