This is Copter Micro Series, the first smallest R/C helicopter that can fly outdoor in the wind weather, (wind scale 3-4).
Designed and made by WLtoys, provided by two batteries, mini charger for two by USB supply.
Single blade 4Ch 2.4G control.
It is fast, responsive, fun, and very durable toy I have ever have. Cost is just HKD$280 in HK! A super toy for men and youngster aged over 14!
Buy it and you will love it.
HK Snob