Function: not only for illumination, but also for decoration Can be as phone strap, can be hung on the bags, keychain, ITEM: YS014-3Weight: 0.02kgMaterial: ABSPacking: insert cardPower: LR44, 3 AAA, 4.5V, Button Cell Function: not only for illumination, but also for decoration Can be as phone strap, can be hung on the bags, keychain, and so on A good product for promotion and gift A gift not only ...