Williams Sound PKT D1 H26 Pocketalker Ultra with Rear-wear Headphone, 200 hours of battery life, Adjustable tone and volume control, Accommodates a variety of earphone and headphone options
Pocketalker Ultra Systemamplifies sounds closest to the listener while reducing background noise. Ideal for one-on-one conversation, small-group and television listening, or conversing in the car. Use with or without hearing aids. Simply plug in your earpiece, position the microphone near the preferred sound, adjust volume to your comfort – and start listening.

Key Features
200 hours of battery life
Adjustable tone and volume control
Accommodates a variety of earphone and headphone options
Use with neckloops and telecoil-equipped hearing aids
Amplifies sound for better understanding
Includes: (1) PKT D1 amplifier, (1) HED 026 rear-wear headphone, (1) BAT 010-2 two AAA alkaline batteries, (1) WCA 007 extension cord, (1) MIC 014 microphone and (1) RCS 003 lanyard

Specifications
Dimensions: 3.38"L x 2.23"W x .88"
Weight: 2.5 oz. (with batteries and microphone)
Color/material: Silver gray, ABS/Polycarbonate molded plastic case.
Low Battery Indicator: Red light on top panel flashes
Microphone: Omnidirectional, electret microphone assembled in housing with foam wind screen and 3.5mm mono plug
Tone Control: External rotary control knob to allow user to optimize hearing
Volume Control: External rotary control knob with power ON-OFF switch
Microphone Jack: 3.5 mm, mono, gold plated mini plug
Headphone Jack: 3.5 mm, mono, nickel plated mini plug
Distortion: 2% THD (max)