When I lightly shake the headphones, it sounds like something is loose inside. They work, but there's a difference in volume between the left and right sides, with one side sounding quieter. The tablet has been used for about two months. It's in good condition, with some minor dirt. Challenge Pad 3 (Benesse) Set | Includes Keyboard, Pen, and Charger Product Description: This is a set of the Benesse learning tablet "Challenge Pad 3 (Model: TAB-A04-BR3)". Set Contents: • Challenge Pad 3 Body • Genuine AC Adapter (DC5V 2A) • Dedicated Keyboard • Touch Pen (Stylus) It has been initialized to factory settings, but please note that it may not be usable as a regular Android tablet due to potential lock restrictions.