COLORFUL - 6 x LED Feather Multi-colored Shuttlecocks (Color constantly changing), Perfect for playing in the dark environment.
AUTO ON & OFF - LED lights installed in the back of the cork, with built in vibration sensor, light up when players start playing and will go off if left inactive.
PREMIUM MATERIAL - goose feather, feather, SMD lamps, electronic products.
PERFECT WEIGHT - Cork ball head and each shuttlecock only weights about 6.7g/0.24oz.
100% SATISFACTION GUARANTEED - Economical shuttlecocks for beginners and amateurs.