Fernway | Stylus Battery Kit | 510 Thread

Now upgraded with new features: USB-C For faster, more reliable power POWER GAUGE No more lower battery surprises Operation Guide Wake/sleep: 5 clicks Heat selection: 3 clicks Preheat: 2 clicks (for cold weather/clogs) Battery life check: 4 clicks Green (2.6V) – Max flavor, less vapor Blue (3.0V) – Medium flavor, more vapor Purple (3.4V) – Balanced flavor & vapor Red (3.8V) – Least flavor, max vapor