Vamvo Ultra Mini Rechargeable Wireless Projector





This totally wireless chargeable projector fits in the palm of your hand. It has an HDMI input, so plugging in a Chromecast or Firestick and casting to that is seamless. It even comes with a little tripod.

Things I learned:

  • At max brightness, I started getting a “Battery too low” warning at only 1 hour 26 minutes; this was worrisome at first. However, I learned you can get around 2:25 on the darkest setting (which is still plenty bright!).
  • You can use the projector while it’s charging.
  • I haven’t found a way to plug this into an ordinary portable battery charger yet — ya know, the kind you use to charge your phone. The HALO Bolt charger has an input for a two prong AC plug, but most don’t.
  • It has its own sound, but it’s not great. You’ll want to connect to an external speaker of some kind if you don’t plan to sit right next to the projector. There is a aux input (headphones plug), so you can plug headphones in or you can use a male-to-male aux cord to output the sound to external speakers.
  • If you want to connect the projector directly to anything that uses USB-C (many Android phones like Pixel 3 and 4, Samsung Galaxy, certain Macs), you’ll need this HDMI to USB-C cord, around $16 on Amazon.
  • Have AAA batteries on hand for the remote.

Also available factory refurbished on eBay for less.

Additional information


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