603-491-9400 ... Tandem Pro 2 kit containing rechargeable lithium Ion battery, USB charging cable and AC adaptor, mounting bracket with cradle. 2 student headsets and one 3.5mm to 6 pin plug convertor. All new in their original boxes. Purchased last February, but never used. Documentation is included. Purchase price was $136.47. Will ship UPS ground at no extra cost.