working principle this light therapy belt combines red led with infrared ray to deliver heat energy to deep skin layer of 660nm and 850nm to accelerate cell and collagen regeneration; our advantages as a professtional factory, we provide the following services: 1.oem/odm/obm service, we could help you cut logo on the housing, print logo sticker, customized color ratio, etc. the belt include plug, we will choose plug by your country, so pls do not worry; you can pay directly, then we will delivery product in 1-3days, delivery often take 7-14days; thanks for your support any questions pls contact us asap, thanks, summers_lighting..syi
