LED flash stick with etched logo, ca be used as keychain with 7 LED colour light up:

Features:
1.Etched logo or artwork for gift or promotion;
2.Led flashing in 7 colours light up;
3.Acrylic tube inside, copper shell etched with logo outside;
4.Key chain or necklace are available;
5.Powered by 3XAG3 cell, included;
6.Unit size: 0.9X6.3CM