We have 4 type of Mini Electronic Cigarette as following:

1. JOYE303 
Diameter is 9.2mm
Length is 118mm
Battery is 4.2V and power is 250MAH

2. JOYE303A
Diameter is 9.2mm
Length is 108mm
Battery is 4.2V and power is 180MAH

3. JOYE306
Diameter is 8.6mm
Length is 98mm
Battery is 4.2V and power is 150MAH

4. JOYE306A
Diameter is 8.6mm
Length is 89mm
Battery is 4.2V and power is 90MAH