Bluetooth asus BT500 + BT Speakers stutters

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I have found this Solution

I have carried out the 3 steps. Everything is ok.
But

 inxi -Eazy                                                                                                                                       127 ✘ 
Bluetooth:
  Device-1: ASUSTek ASUS USB-BT500 type: USB driver: btusb v: 0.8
    bus-ID: 5-2:2 chip-ID: 0b05:190e class-ID: e001 serial: <filter>
  Report: rfkill ID: hci0 rfk-id: 0 state: up address: see --recommends

The System load btusb and not rtk_btusb

2 Bluetooth-Devices