OLD School RRD 4ml Refillable Vape Wholesale

Product Information:

• Power on and off function: press5 times in 2seconds,and the red light
  flashes 5 times beforepoweringon/off
• Pressure regulation function: press 3 times in a row to switch gears
• Red light:3.0v
• BLUE LIGHT:3.5V
• Greenlight:4.0v
• 0/2/3/5%Nicotine Salt.