He's much better than what we were hoping for. Compresses, vibrates, heats as it should. You can change modes-their six plus pieces five different vibration options. Very pleasant pre-set music. In one track, meditation is probably recorded, but the voice speaks Chinese, so it is only necessary to guess. The helmet can work from the outlet, and from its own console, in which to supply you need to insert 4 AA batteries. There is an instruction, completely in English, so you do not have to solve hieroglyphs. Several years ago tried on "Yamaguchi", so this one is no worse, but it costs exactly 5 times cheaper. The product is definitely recommended. Thanks seller Russian Post broke the package and broke the box so that even the inner packaging cracked. The helmet itself, fortunately, came whole. However, in the hands of the power adapter fell apart, but this is a question not to delivery, but to the seller (saw in other reviews that I'm not so lucky alone). As for the helmet work, it's just fire. He's much better than what we were hoping for. Compresses, vibrates, heats as it should. You can change modes-their six plus pieces five different vibration options.