Very high quality performance. Seven different modes, different well and pulse duration, in the series there can be pulses of different type, the amplitude of pulses in the series can grow. There is a mode that simulates tapping. In each mode, three heating levels and fifteen amplitude levels of stimulating pulses. Pulses through gel applicators, according to sensations, slightly less intense. Charging current 0,4 A. Enough for 8 procedures for 15 minutes, just did not try anymore). Compact size allows you to use in road conditions for long trips. Very cool helps with hernias in the cervical spine and muscle spasm. Many thanks to the seller for the quality goods and fast delivery! The thing is definitely worth its money. Such would be on the whole back))