The Vaavud wind meter turns your smartphone into a high-tech meteorological tool. It enables you to take accurate wind readings, at wind speeds from 2 40 m/s , with a precision of +/- 4%, AND measure the wind direction with a precision of +/- 4%. It comes with a practical neoprene bag so you can take it with you anywhere. Works with the following devices: iPhone 4, 4S, 5, 5C, 5S, 6, 6Plus iPad 2, 3rd and 4th generation mini and Air Samsung Galaxy S5, S4, S3, HTC One and Google Nexus 4 & 5 and Droid RAZR m. For more info. Shipping time (working days): Europe: 3-10 days (shipping from DK), US & CA: 2-5 days (shipping from US). New Zealand: 7-20 days (shipping from US).