Specification： Product Name: PVC LED Bracelets Size: 3*8*8.5CM Material: PVC Battery: 2 * CR2032 (Included, Replaceable) LED Color: RGB Use Time: Greater Than 12 Hours Function: 1. Working with GFC004, 7 colors + 5 flash modes. 2. Working with GFC005, the color and flash pattern you want can be realized. 3. Working with GFC008, Bluetooth Control, Phone or iPad. 4. Working with GFC007, DMX512 Modes, Bluetooth Control, Audio Control *Note: GFC004/GFC005/GFC007/GFC008 needs to be purchased separately. Feature: Adjustable, High Sync, Ultra Bright LEDs Bright Event Decoration - There are super bright LEDs inside the bracelet, which are highly visible and can make the birthday party/wedding/anniversary a more magical atmosphere. Energy Saving and Long Duration - use CR2032 battery, long battery life. The remote control pulsera can work continuously for up to 12 hours. Durable For Storage- The remote control wristband is made of high-quality silicone. The raw materials are environmentally