Two tin cans connected by a string isnt an effective way to keep in touch with your buddy on the ski hill or on the trail. Think of all the people you might strangle, besides the fact that you wouldnt be able to hear anything. Go with the Motorola SX600R Rechargeable 2-Way Radio instead. These radios work over a 14-mile range. The combination of 22 channels and 121 privacy codes makes sure that the other radio users on the mountain wont ruin your I-know-the-perfect-spot-for-lunch plans. The SX600R Rechargeable 2-Way Radios iVOX hands-free communication makes it easy to keep in touch, while the backlit display and battery meter tell you when a recharge is in order. Charge this radio using its mini-USB port, a standard USB cable, and the included charging base.