Want a cheap burner, build your self one!
All you will need,
1. LPC-815 from really anyone
2. FlxDrive or Rckstr driver, depends on battery decision.
3. One of Jayrobs pen host kits
4. AAA batteries for flxdrive, or 10440 batteries for rckstr driver
5. Aixiz module
6. Some time and soldering...