1 The case charging LED indicator will turn ORANGE while charging, and will turm the USB port on a computer, or into a 5V USB adapter (not included) and plug into the back of the case, Insert the large connector into a USB power source such as Insert the small connector of the supplied charging cable into the charging port on Getting Started Charging the Case a wall socket. solid ORANGE when fully charged. Charging the Earbuds Use the included charging case to protect and charge the earbuds as described below: 1. Make sure that the case is fully charged. 2. Open the cover of the charging case and place the earbuds into the correct charging ports. They should easily "clip" into place and feel secure. 3. If the earbuds do not automatically begin charging when placed into the case. press the [Charging Power] Button on the case to begin charging 2 Bluetooth Pairing 1. Open the charging case lid to Power the earbuds ON. 2. After a second, you will hear "Welcome to ONE music world". 3. Set your mobile device to search for Bluetooth devices. When it appears. select NB-4 from the list of found devices. Pairing Issues? See the Re-Pairing the Earbuds section on the next page. Note: Either earbud can be used independently. Answering/Ending Phone Calls When paired, you can control your paired device's phone functions using your device, or the controls on the earbuds listed below. 1x pressing on either earbud to answer an incoming phone call. 1x pressing on either earbud to end a phone call. Touch and hold on either earbud to reject an incoming call. 4x pressing on eight earbud to call back Activating Voice Assistant If your Bluetooth-paired device has a Voice Assistant, you can activate it using the controls on the earbuds. 3x pressing on either earbud to activate Voice Assistant. 3 Re-Pairing the Earbuds The NB-4 earbuds should pair to each other automatically when powered ON. If the earbuds come un-paired from each other, or only one earbud pairs to your device, try following these instructions to re-pair: 1. Go to your device's Bluetooth settings and find the earbuds on the list of Bluetooth devices. Tap to manually " Forget " the earbud(s), then turn your device's Bluetooth OFF. 2. Place the earbuds in their case and close the lid to power them OFF, then open the case lid after few seconds to power them ON again. 3. After a moment, the earbuds should automatically re-pair to each other. 4. Once re-paired, you can now pair the earbuds to your mobile device. Turn your device's Bluetooth back on again. Follow the instructions in the Bluetooth Pairing section of this manual to try pairing again.