LED Badminton Shuttlecock, LOFTWELL Dark Night Glow Badminton Shuttlecock Birdies Lightning For Outdoor & Indoor Sports Activities (4 Pieces) COLORFUL, BRIGHT. 4 x LED Feather Shuttlecock with bright and durable birdies (Red, Green, Blue, and Color-changing)  Perfectly designed for playing in the low-light/dark night. SPECIAL DESIGN. LED lights installed in the back of the cork, IC control, with On/Off push button. SELECTED MATERIAL. Goose feather, feather, SMD lamps, electronic products, enables light up to 20 hours. TINY WEIGHT. Cork ball head and each shuttlecock only weights about 6.7g/0.24oz. AFFORDABLE, INEXPENSIVE. Economical shuttlecocks for beginners and amateurs, all adults and children completely have fun when playing at midnight.