DJI Spark Remote Controller Video transmission range of up to 1.2 mi (2 km) Max speed of up to 31 mph (50 kph) in Sport mode|Remote Control| - AliExpress
DJI Spark drone review: Tiny and fast, but battery life is too short | Mashable
DJI Spark drone review: Tiny and fast, but battery life is too short | Mashable
DJI Spark: All the Highlights You Should Know - DJI Buying Guides
Amazon.com: DJI Spark, Portable Mini Drone, Alpine White : Toys & Games