plastic keychain whistle led 1)CE&ROHS approval 2)Logo can be customized 3)Competitive price 4)OEM design/order/service plastic keychain whistle led/led blinking whistle/electronic flashing whistle 1)Twist the cap to turn on flashing LED light2)Novelty item with strong keychain 3)Material:ABS plastic4)Can print customer logo,it is good for promotionsPowered by replaceable cell batteries(included) ...
[China Manufacturers]