Yes, the Canon PowerShot V1 is compatible with the DJI Mic 2.
DJI Mic 2 ships with a 3.5mm TRS Camera Audio Cable included in the box (DJI's own product page, 'In the Box' section). Canon PowerShot V1 has a dedicated 3.5mm microphone input terminal. Direct connector match, no separate purchase required.
“DJI Mic 2 Camera Audio Cable (3.5mm TRS)”
“External microphone input terminal: 3.5 mm diameter stereo mini jack (3-pin)”
Last verified:
Compatibility inferred from spec rule (citations above are manufacturer-verified)