: Most models require wired headphones to be plugged in to act as an antenna, even if you are listening through the built-in speaker.
: Use the provided USB cable to connect the device to a computer or a standard USB wall adapter. Most budget models take 2–3 hours for a full charge. Adding Media : walkman4mp4
: Many of these devices require videos to be in a specific .amv or .avi format at a low resolution (e.g., : Most models require wired headphones to be
: If the device becomes unresponsive, look for a small "Reset" pinhole (usually near the charging port or volume buttons) and press it gently with a paperclip. Popular Models & Where to Buy : If the device becomes unresponsive