If you wish to reset your speaker due to various reasons, then keep reading, and follow along. 1. Press and hold Volume+ & Play/pause buttons down at the same time for more than 5 seconds. 2. The Pulse 4 will turn off, indicating that you did a successful reset. 3. Switch your Pulse 4 on again. 4. Connect with your favorite Bluetooth device and enjoy the music! Do you still have problems? Contact our Customer Service for more help!