SONY PSP TV One-Seg Tuner S310

PSP One-Seg Tuner (with original box)
Tested for startup. It's unclear if the issue is with the PSP unit or the One-Seg tuner itself, but the connection is a bit unstable.
Please check the photos for the product's condition.
As this is a used item, we cannot accept complaints regarding malfunctions after purchase.
Please purchase only if you understand this.
Immediate purchase is welcome.