Features 1. HIGH QUALITY MATERIALS: The dice made from high quality ABS, which are waterproof and oxidation-proof, durable and hardwearing, no need to worry about the light-up dice being deformed when rolled to the ground. 2. USB RECHARGEABLE: Unlike other light-up dice on the market that are not rechargeable, our light-up dice are rechargeable and can be used multiple times, which is the ideal upgrade. 3. SHAKE TO LIGHT UP: Simply shake the glow dice to light them up and it will flash charmingly. The glowing dice set come with colour changing flashing LED beads, which can be seen differently from the same viewing angle. 4. EASY TO READ & FUN: The light up dice have numbers on each side, use underscoring to differentiate 6 and 9, glowing numbers that are more visible in the dark are fun to play with. 5. PERFECT DICE GAME ACCESSORIES: These polyhedral dices great for any dice games such as D&D, role playing games, Dungeons and Dragons, table games, fantasy games, card games and more. Specification Material: ABS Color: Black Size: 10 x 7 x 3 cm Weight: 190 g Battery capacity: 25 mah Luminous time: 6 h Charging time: 2 h Luminous color: Green, Red, Blue Package Include: 1 Dice 7 Charge box