The PeakFit N-7 uses eight 4D kneading nodes arranged across two zones — upper cervical nodes and lower trapezius nodes — with heat at 40-45°C applied simultaneously. Three speed settings, 2000mAh battery running 70-80 minutes per charge, automatic shut-off, and a hands-free wireless design. Available in S, M, and L. CE, FCC, and RoHS certified.