FS: Sony PHA-3 portable headphone amp

I have a lightly used Sony PHA-3 for sale. The battery has been charged maybe a dozen times. It’s in mint condition and doesn’t have a single scratch or ding. Shortly after I got this, I bought a Sony desktop amp and only used this one when I traveled to visit my son in North Carolina. I have all the original packaging and contents including silicone bands, silicone pad and OTG cables. The micro USB cable is not the original one, but the one I’m including is nicer than the original. I’d like to get $575 (bought new for $999) but will entertain any “reasonable” offer. I’d like it to go to a home where it will be used. I will cover shipping any where in the mainland US via 2 day priority with tracking.