Speed N90:

Specification:
Input: 100-240V 50-Hz
Output: 600 mAh
Model Code: 01-04-009
Speed N97:

Specification:
Input: 100-240V 50-Hz
Output: 600 mAh
Model Code: 01-04-010
Speed 2 in 1:

Specification:
Input: 100-240V 50-Hz
Output: 650 mAh
Model Code: 01-04-039