[More Powerful] - These 17500kv @3.7V / 65,000 rpm coreless motors provide extra power to fly with FPV camera. [Special Sauce Edition] - These coreless motors can deliver high efficiency and constant power for a stable flight. [Tiny and Portable] - These coreless tiny whoop motors' Shaft Diameter: 0.8mm, Motor Diameter: 6mm, Motor Length: 15mm, With 1.25mm JST Plug. [Lightweight] - These blade inductrix motors' weight is about 1.8g, 4 pcs (2 CW and 2 CCW). [Widely used] - These 6x15 motors work for Blade Inductrix, Tiny Whoop, Nano QX etc.