flashing keychain
Logo:can be customized on one side
Battery:CR series
Shape:compass
Controlled by on-off button switch

flashing keychain with compass shape

Material: plastic

Battery:2pcs*CR1220
LED:one super light F5 led

Logo:can be customized

It is very easy to use and carry,controled by on-off button,volume is small.

Great idea for promotion,advertisement.