What power modes does the Drag S2 support, and how do they differ?

The Drag S2 offers three power modes:

• Smart Mode – Automatically selects the ideal wattage based on coil detection, perfect for beginners.
• RBA Mode – Manual wattage control from 5–60 W, great for experienced users seeking precision.
• Eco Mode – Limits output to conserve battery life, delivering about 10% more usage per charge.