Sound World Solutions HD75 Personal Sound Amplifier | Pair

Features Adjustable volume control (with max gain of 55dB) Customize settings using presets on the device, or through free smartphone apps for Android & iOS Uses (1) size 312 non-rechargeable battery – lasts up to 3.5 days of use per battery Directional microphones allow for optimum performance, even in noisy conditions Environmental profile settings for best sound in different locations Flexible tube to accommodate most ear lengths from top of ear to canal opening Standard 1-year manufacturer’s warranty included 3 built-in amplification presets   Includes (2) HD75 Personal Sound Amplifiers Size 312 battery pack (5) ear tips: x-small, small, medium, large, x-large Ear tip cleaning tool Zippered carrying case User Manual