ZSCMALLS via Amazon has for Prime Members: 15.6″ ZSCMALLS 1920×1080 60Hz Portable IPS External Monitor w/ Speakers & Cover (ZSC-A15) on sale for $69.99 when you clip the $10 coupon on the product page. Shipping is free.

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Specs:

• Screen Size: 15.6″
• Resolution: 1920×1080
• Refresh Rate: 60Hz
• Panel Type: IPS
• Ports:
  • 2x USB-C
  • 1x Mini-HDMI
  • 1x Micro USB

Includes:

• 15.6'' Portable Monitor
• Smart Cover Case
• Type-C to Type-C Cable (for power & video)
• Mini-HDMI to HDMI Cable (for video only)
• USB to Type-C Cable (for power only)
• 5V 3A Power Adapter