The headphone jack on the Nikon KeyMission 170 is a standard Micro USB. You can use wireless headphones too. See our full range headphones.
No
Yes. See our full range of Micro USB flash drives compatible with the Nikon KeyMission 170.
Micro SDHC, and Micro SDXC are compatible with the Nikon KeyMission 170
The Nikon KeyMission 170 has a Micro USB data and charging connection.