If your smartphone videos are sounding a little rough around the edges, the easiest way to improve your audio quality is with a wireless lavalier mic. Pocketable kits like the DJI Mic 3 easily connect to your phone, giving you the ease of shooting video on mobile and the quality you’d expect from more professional productions. You can scoop up a complete kit for $259 that includes a charging case, two transmitters, and receiver, a healthy discount from its usual $329 price point.

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