【實用運動app】Duck Calls|最夯免費app-綠色工廠好玩App

This is the most feature packed inexpensive collection of Duck calls & sounds on iTunes. Duck Calls plays the most popular and effective duck call sounds. Supports plugging in external amplified loud speakers/headphone to headphone jack for amplifying the volume, so sounds can be heard long distances. Will also route calls through iPhone connector at bottom of unit.Follow us on Twitter for promos/giveaways: twitter.com/quikiphoneprods