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SYMA X21 new mini altitude hold enabled quadcopter

SYMA X21 takes flight

Today we’re checking out the SYMA X21 which is a brand new mini quadcopter from SYMA featuring altitude hold, one key return, flip mode, headless mode and around 5 minutes of flight time. This model is just one of many new models and you can also pick up the SYMA X21W with WiFi FPV or the SYMA X21 – S with a new transmitter.

The design of this quadcopter is quite small featuring a nice X shaped framed with a slightly flatter body and has snap in prop guards like many of the new SYMA units. On the top of the quadcopter you have a button to turn the quadcopter on and off, this is a pretty common feature on all of their new quadcopters.

syma x21 white

One thing to note is that it doesn’t have a removable battery, this means you’re going to have to wait after every flight for it to charge and with a flight time of only 5 minutes this may get annoying.

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The transmitter they’re using is one that they’ve been including with pretty much all of their new quadcopters and it’s really an impressive design. It features only 2 sets of buttons for each shoulder, a power button, buttons in the control sticks, and the control sticks themselves are the flat topped type.

syma x21 transmitter

With this latest transmitter iteration it seems like they wanted to make it as minimalist as possible by removing trim buttons and substituting them for an easy to use button combination system.

Altitude hold is a feature that makes this especially easy to fly for beginners but more experienced flyers might prefer something like the Syma X20 which is the same just without altitude hold.


Overall the Syma X21 isn’t a bad looking quadcopter and I’m actually surprised they have it priced so low since it does come with their large transmitter. It does however have a non removable battery which can be a double edged sword, on one hand it’s great for beginners since they don’t have to fiddle with batteries and on the other hand it’s bad for someone more experienced who wants to be able to swap batteries. Overall though not a bad looking unit and at the price you can’t really go wrong, click the button below to check it out for yourself.

$23.79 on GearBest


  • Brand: Syma
  • Model: X21
  • Detailed Control Range: 20~25m
  • Battery: 3.7V 380mAh
  • Flight Time: 5+ mins
  • Charge Time: 60-90 minutes
  • Dimensions: 13.60 x 13.60 x 3.10 cm

Included Items:

1 x Quadcopter
1 x Transmitter
1 x USB Charging Cable
1 x Screwdriver
4 x Spare Propeller


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