350mah Adjustable Voltage Battery

Specifications:

• On/Off – Press button 5x
• Variable Voltage – Press button 3x to adjust voltage: Green=3.4v, Blue= 3.7v, Red 4.0v
• Preheat Function – Press button 2x to preheat. Press button 1x to stop preheat
• Battery Level Indicator – Press button to see battery level: Green=Full, Orange=Medium, Red=Low
• Turn the power off when not in use.