Dual Audio Modes
1. Search & click "Tronsmart Halo 100" to connect with device A.
2. Disconnect "Tronsmart Halo 100" from the device A(Note that do not clear
the pairing record on the device).
3. Tronsmart Halo 100 will re-enter pairing mode.
4. Search & click "Tronsmart Halo 100" to connect with the device B.
5. Click "Tronsmart Halo 100" on device A to connect.