A. Item Type: Hair Ties B. Button Battery Model: LR44 C. Button Battery Number: 3pcs D. Single Battery Capacity: 140mah (Built-in Battery) E. Material: ABS, Alloy F. Package List 1. 5 x Hair Ties 2. LED HEAD: LED luminous hair ties can make your hair more attractive, unique and beautiful, and are suitable for most women and girls. 3. APPLICABLE SCENES: These hair ties are suitable for weddings, proms, parties, daily life, work, school, vacations and other scenes, and can make people stand out. 4. DURABLE MATERIAL: These LED hair ties are made of good - quality materials, are safe and environmentally friendly, and can be used safely. 5. GOOD DESIGN: These hair ties are compact. They can be used not only as headwear but also worn on the wrist, and have a good decorative effect. 6. BUTTON BATTERY: Equipped with 3 pcs 140 mah button batteries, these hair ties can light up at any time, and the overall appearance is exquisite and beautiful.