Like many sound mixer I have a Iphone and a Ipad I often run out of battery power while filming and wish I had the ability to charge my phone fron my remote audio BDS box. Well now I do because of the bluebell BDS to USB cable. They also offer other connectors for the battery bud power system as well below is the link
http://bluecowcables.com/product.php?id_product=117
Pro Location Sound LLC 