Yes, the Canon PowerShot V10 is compatible with the SanDisk Extreme microSDXC UHS-I 128GB.
Canon PowerShot V10 has a microSD-only card slot. SanDisk Extreme microSDXC UHS-I 128GB fits directly, no adapter needed, and independently clears the speed-class requirement (Canon PowerShot V10's own page states the floor) -- not the exact named SKU on every platform's own recommended-card list, but the same certified speed class.
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