Initialized. Operation confirmed. Checked after using for about an hour. Button operation: ⭕️ Touch panel: ⭕️ Left stick: ⭕️ C stick: ⭕️ D-pad: ⭕️ Charging: ⭕️ Microphone: ⭕️ Earphone use: ⭕️ 3DS sound music playback: ⭕️ SD card reading: ⭕️ Inner camera: ⭕️ Outer camera: ⭕️ Game software reading: ⭕️ Internet connection: ⭕️ 3D function: ⭕️ Volume adjustment: ⭕️ Speaker: ⭕️ Confirmed that all of the above are working properly. There are scratches and dirt on the main body, but the LCD screen has few scratches or stains. The top LCD has very good color and is beautiful, so it may be an IPS LCD, but I don't know the details. There is a slight screen burn-in on the lower right of the bottom LCD. Touch pen and MicroSD 4GB are included.