Williams Sound PKT PRO1-3 Pocketalker PRO System Amplifier with Folding Headphone， 100 hours of battery life， Adjustable volume control/internal tone control， Accommodates a variety of earphone and headphone options<div style="text-align: left;"><strong>[Product Information]</strong><ul><li><span class="a-list-item"> 100 hours of battery life， Adjustable volume control/internal tone control </span></li><li><span class="a-list-item"> Accommodates a variety of earphone and headphone options </span></li><li><span class="a-list-item"> Use with neckloops and telecoil-equipped hearing aids </span></li><li><span class="a-list-item"> Amplifies sound for better understanding </span></li><li><span class="a-list-item"> Includes: (1) PKT PRO1 amplifier， (1) HED 021 folding headphone， (1) BAT 001-2 two AA alkaline batteries， (1) WCA 007 extension cord， (1) MIC 014 microphone， (1) CCS 001 belt clip case and (1) CCS 008 pocketalker system carry case </span></li></ul></div><img src="http://ecx.images-amazon.com/images/I/31RMKlCtwTL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/31i9vYys0tL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/31kX-SiGAiL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/21V1x%2B6EjtL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/41s29-0zJZL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/31oWoquZ9HL.jpg" noproxy>