1.can ble switch to device if controled by phone? like if you are controlling (fiio player) using fiio link, can the bluetooth hearing aids/headphones switch to the m7?

2.can BLE mute volume on device (android,windows) (set a timer to stop music if media is playing on another device) if listening to another device (fiio m7) and vice versa?

1. can BLE automaticlly switch to active device/s (moving mouse/stylus on screen) on each device?