If your Highfive device's power adapter gets damaged or misplaced, you can order a third-party replacement that matches the following specifications.
Adapter Specifications
Input: 100-240V ~ 50/60Hz 0.8A
Output: 15.0VDC 1.6A
Tip polarity: Center positive
Barrel Specifications
A: 9.5mm
B: 5.5mm
C: 2.1mm