The Bass Edition comes equipped with Bluetooth v5.0 and is fully compatible with all smartphones.
BLUETOOTH TROUBLESHOOTING STEPS: Bluetooth Connection : To connect with OnePlus smartphones : Separate the ear plugs, or long press the power key for about 1 second. Wait for the earphones' white indicator to flicker, then turn on Bluetooth on your device. Click OK in the notification window that automatically pops up in the device to connect. Note: If your OnePlus device has previously connected to another Bluetooth device, please click “Add New Device."
NOTE: Magnetic Control: Your earphones will automatically turn on and connect to the last device they were paired with when you separate them. If no connection is found, the earphones will shut down after five minutes. Turning off the earphones: OnePlus Bullets Wireless Magnetic Control will automatically turn them off when you join them together