650mah OLED display magnetic variable voltage 510 battery

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Model: 650mah VV 510 battery
Capacity: 650mah
Voltage: 2.2v, 2.7v, 3.2v, 3.7v, 4.2v
Display: OLED 
Features:
Every puff counted
Time of single smoking
Electricty displayed
Contents:
1pc vape battery
1pc type-c usb cable
2pcs magnetic adapter attachments
The puffs counting function is more suitable for using oil to relieve pain

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