Keywords: Cyclone, wp400, don't work, reset
1. Check the product lot number, it was printed on the bottom of the speaker.
2.If the lot number is 17B1 and after batch, such as 18Bx, 18Dx, etc -
Please press and hold 'Power' button & 'Multifunction' button for 1 second until LED indicator is off, then power on again to use.
3. If the lot number is before 17B1, such as 16* -
Please charge it with USB cable until the LED indicator stay RED. Then remove the USB cable and power on again.