Tascam RC-3F 3-Way Footswitch for LR-10 GB-10 DP-03The Tascam RC-3F is a 3-way footswitch for the GB-10, LR-10, DP-03 and other TASCAM recorders and players. The 1/8-inch mini jack plugs into the "remote" jack of these TASCAM products to add features like play/pause, looping or punch in. See the products' user manual for details.