Brand - Blue Power
Speaker - Connect to any bluetooth device. Just sync your phone to the power supply. Please note the power supply with say a few Chinese words when syncing with your cell phone. Power supply units weights 1.55lbs by them selves
Maximum Voltage - 18 volts.
Machine Mode - Connect up to 2 machines
Foot Pedal Mode - Momentary (step to turn on) or Maintained (step once to stay on and step once more to turn off)
Digital Display - Shows the machine volts.
Magnet Base - the base of the power supply is magnetic and will stick to meal surfaces,
Rotary Compatibility - Yes, can work with rotary machines.
Warranty - 1 year limited warranty & Made in China