KJB D1305 Smartphone Voice Conversation Recorder 3.5mm 4 pin connector With impressive battery life and compact design, this easy-to-use conversation recorder makes documenting all calls on your smartphone simple. Record The Details Of Important Phone Conversations, Up to 20 hours of Recording Time Easy Plug and Play Functionality, Compact Size Need help setting up? We are just a email or phone call away or check our help site: http://help.brickhousesecurity.com Private Investigators / Law Enforcement Professionals / Health/Medical Professionals / Journalists / Home/Office Security