Bluetooth Stereo Adaptor How Do You Reset Jabra BT620s Bluetooth Headphones?

How do you reset Jabra BT620s Bluetooth Headphones? - bluetooth stereo adaptor

I had a problem with my mate Jabra BT620 Bluetooth Headset Jabra A320s Bluetooth USB adapter and my stereo. When I my new pair of headphones flashing lights. I read the instructions and told me to reset the headset. and this is my problem. How do I set my Jabra BT620 Bluetooth Headset? All answers appreciated.