Adjustable voltage: Tap fire button 3 times to change 2.5V / 3.0V / 3.5V option. ( 2.5V: one green light / 3.0V: two green lights / 3.5V: three green lights).
Short-Circuit Protection: 3 green lights flashing 3 times
Low Voltage Warning: 3 green lights flashing 10 times
Micro USB Port Charging System
Proprietary Magnetized Connection
15 seconds cut-off: 3 green lights flashing 8 times