1) Before pairing with the app, ensure your smartphone and Master Buds 2 are connected together. Open the mobile’s Bluetooth settings; the earbuds (e.g., “Noise Master Buds 2”) should appear—tap to connect.

2) If the name do not appear, double press the Power button (entering pairing mode).

3) Once the earbuds name appear, tap to connect via Bluetooth.

4) Then, open the Noise Audio App; after searching, the Noise Master Buds 2’ name will appear—tap it to connect with the app.