Insert the USB cable into the battery charging port. Once the battery is fully charged, it will flash three times, letting you know it's fully charged.
It takes approximately 6 hours to fully charge the LAVA ME 3 using the Space Charging Dock.
This size of the guitar ultimately comes down to your preferences.
The 36" LAVA ME 3 is lighter and more portable, making it easier to travel.
The 38" has an increased sonic range, resonance and volume due to the larger size.