1.544mhz,3khz-70khz audio frequency。after using the machine,Effect is very good, got a lot of ease pain after the first use。使用代理看youtube
the following is video
1.544mhz,3khz-70khz audio frequency。after using the machine,Effect is very good, got a lot of ease pain after the first use。使用代理看youtube
the following is video
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