1、LIGHT UP DICE: Light up dice with built in LED beads, emit blue light and flash for 20 seconds when rolled or bumped and can be used for up to 6 hours of continuous use after 2 hours of charging. 2、CHARGING INSTRUCTIONS: Electronic dice are charged by point contacts, the charging point on the box and the dice must be in close contact to charge, when charging, the power bank light turns red; when fully charged, it will turn green. 3、DICE SET: The dice set consists of 7 dark dice including D4, D6, D8 and D10 (double accuracy), D9 (odd), D12 and D20, taking tabletop gaming to the next level. 4、PERFECT FOR GAMING ENTHUSIASTS: Polyhedral dice are perfect for any dice game. Used for RPG tabletop games and more, the cool LED dice make a great present for dice lovers. 5、PACKAGE INCLUDES: A set of 7pcs dice, comes with a charging case, Type C cable, instruction card, and a beautiful storage bag, easy to take to parties anywhere. Item Type: Electronic Dice Material: ABS Dice Built In Battery: Lithium Battery 25mah x 7 7 x Dice 1 x Instruction Manual 1 x Charging Compartment 1 x Charging Cable 1 x Storage Bag Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Sold by-YJL official store