Teada via Amazon offers the Snowkids USB-C to Micro USB Adapter 4-Pack in Grey/Silver for $8.99. Coupon code "WBSE73K3" cuts it to $4.95. Plus, Prime members bag free shipping. That's about a buck under last month's mention, $35 off, and the lowest price we could find. It supports transfer speeds of up 5Gbp/s.