A Bluetooth headset uses short-range wireless technology to connect to your Android phone, enabling you to talk hands-free from up to 8 meters away. When you first pair a Bluetooth headset with your Android phone, you’ll need to configure it using the headset’s PIN. This PIN is a number that helps your Android connect to the correct device. If you’re experiencing issues connecting your headset to your phone, you might be using the wrong PIN. Tips Writer Bio

How to Change the PIN for Pairing a Bluetooth Headset on an Android Phone - 35