Yocan Keen giveaway is now, come here and win:

https://www.yocan.com/yocan-keen-yocan- ... -2022.html

Here are its main features:

Size: 14mm*97.5mm
Oil Tank: 1.0ml
Weight: 27g
Resistance: 1.4ohm
Battery Capacity: 400mAh
Intake Hole: 4*Φ1.7mm
Heating Coil: Ceramic Heating Coil
Charging: Type-C
Housing: Stainless Steel
Voltage Range: 3.0V (White), 3.7V (Blue), 4.2V (Green)