USB Bluetooth dongle, self powered off

Hardware
1

Hi there

I’m using a USB BT dongle : TRENDnet TBW-106UB, on my RPI4

It works perfectly BUT, it goes Off itself, about 1h after a power on
2021-05-03 16_24_40-Terminal - Home Assistant

I can power it On, but it will be again Off in about 1h
2021-05-03 16_26_07-Terminal - Home Assistant

How can I let this dongle always ON ?

Thank’s