Congratulations on receiving your new pair of E4 Pro! Use this guide to learn about pairing E4 Pro with your preferred device, charging the batteries, and restoring the earphones to their factory settings.
What's included in the box
- E4 Pro wireless earphones and charging case
- Interchangeable ear tips in 4 different sizes: S, M, L
- Type-C USB-cable
- Owners manual
- Warnings Manual
Before getting started
⚠️ Sudio E4 Pro is delivered with a red protective film covering the charging connectors between the earbuds and charging case. The film needs to be removed in order for the earbuds to power on.
The earbuds will likely have some existing battery charge, however it is recommended to fully charge E4 Pro before using it for the first time.
Turning E4 Pro on or off
E4 Pro powers up as soon as the lid on the charging case is opened and the audio feedback 🔈 On.
Similarly, E4 Pro is turned off when placing the earbuds back into the case.
You can also use the touch controls to power the earbuds on or off. Do this by holding the touch control for 6 seconds on either earbud.
Pairing with a device
E4 Pro enters pairing mode when opening the lid on the charging case. Open the Bluetooth settings on your device and wait for E4 Pro and the device to locate each other, then select Sudio E4 Pro when it appears in the list. You will hear 🔈 Connected, confirming that the devices are paired with each other!
Charging the batteries
There are three batteries in total on E4 Pro; one in the charging case and one in each earbud.
The E4 Pro earbuds charge their batteries automatically when placed inside the charging case. Make sure to first remove the protective film which is covering the charging connectors.
The E4 Pro case is charged with a Type-C USB-cable and can also be charged wirelessly. When the case is charging, you will see a light on the charging case. It is recommended to use the Sudio Type-C USB-cable that's included in the package, but the charging case may be compatible with third-party Type-C USB-cables as well.
Restoring E4 Pro to factory settings
If E4 Pro starts behaving unexpectedly, or if you wish to remove the connection between E4 Pro and the connected device, you can perform a factory reset to restore your Sudio E4 Pro to its original settings. This will reset the connection between your paired devices, as well as the connection between the two earbuds.
1. Take the earbuds out of the charging case.
2. Wait until the earbuds have gone through the voice feedback saying: 🔈 Ready to pair, find your Sudio product in the Bluetooth list of your device. Then proceed with pressing and holding both touch points on the earbuds for 8 seconds until you hear Power Off.
3. Release the touch button, and once again hold both touch points of the earbuds for 8 seconds until you hear 3 clicking sounds.
4. Leave the earbuds out of the case and close to one another for 20 seconds so they can resynchronize.
5. Place the earbuds back in the case and close the lid and allow 3 minutes before using the earphones again.
When you hear 🔈 Ready to pair, find your Sudio product in the Bluetooth list of your device, proceed to pair them with your Bluetooth device.
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