Yocan Ziva Pro 650mAh Battery Device - for 510 Thread Cartridge Cartridges

Specifications:

• Auto-Draw Technology
• OLED Screen
• Touch Button
• Battery Capacity: 650mAh
• 10 Second Preheat Function
• Variable Voltage: 1.8V – 4.2V
• Compatibility: 510 Thread Cartridges
• One-button operation and a clear LED indicator