A 10.1" Android Internet tablet released in 2014 by NuVision. Its key features include 1280 x 800 Display, WiFi, Bluetooth®, micro USB, mini HD, headphone jack and two cameras.
Make sure that you don't have anything plugged into the headphone jack. Also, metal debris in the headphone jack could short out the jack and the device will believe you have headphones plugged in.