RazerNabu Watch Forged Edition Problem

Hey Snake fan! 3 months ago I've bought a razer nabu watch forged edition, and it worked flawlessly since then. Yesterday it decided to get very weird as the nabu stopped working randomly (was fully charged and i only charged it in a 5v usb with proprietary cable. the main clock is working , Bluetooth indicator is on but the phone does not detect it in Bluetooth settings at all. I tried to plug it in the charger but nothing happens. Only the main clock is working but not the "smart" feature of it which kinda sucks . It looks brand new and i only cleaned it at a clock specialist. Also something weird that happens is that when it's plugged in and charging , if i press the light button the main clock disappears for a few seconds until the light goes off. Factory problem or what happend to it? I live in romania and it's kinda hard to send it to support for a RMA