If you’re looking for more precise calibration and measurement for each shot, check out the MagnetoSpeed XFR adapter. This great device attaches to your existing MagnetoSpeed Sporter or V3 to download data to your Android or iOS device to organize and evaluate your readings. Using the companion app, data can be named for the current series of shots and errant shots can be deleted, plus you can export your readings and email them to any recipient. You can also reset the current series or reconfigure your device’s display measurement units and sensitivity settings. Get even more control of your accuracy with the MagnetoSpeed XFR.