This is a "Vodafone Stone," a novelty item from a Vodafone campaign held at "ROCK IN JAPAN FES. 2003" or "SUMMER SONIC 2003" in the summer of 2003. It's a strap (keychain) type item that lights up in response to music, and was distributed exclusively at the live venues as a non-sale item. Recommended for those who attended the festivals at the time, collectors of Vodafone and mobile phone goods, and those who like retro festival goods and vintage items. 【Product Details】 Condition: New, Unopened Outer bag: Deterioration over time (scratches, discoloration, etc.) Contents: Very clean condition as it is unopened (beautiful item) Operation: Lights up if the battery is replaced Accessories: ・Ball chain (long enough to hang from the neck) ・Mobile phone strap Distribution period: Around the summer of 2003 (ROCK IN JAPAN FES. / SUMMER SONIC) Novelty limited / Not for sale 【Notes】 ・Operation has not been confirmed as it is unopened. ・The outer bag shows signs of aging, but the contents are not a problem. No comments, immediate purchase is welcome! We will ship anonymously within 1-2 days. ※Please refrain from purchasing if you are looking for perfection, as this item is stored at home. Character: Other