Shenzhen Changlifeng Technology Co., Ltd. was established in 2010. Changlifeng has 12 years of research, development, and production，experience in OEM&ODM manufacture, focusing on the R&D and production of consumer electronic products such as hand warmers, BT speakers, BT headsets, and mini fans. Our QC team will be making 100% quality control towards final inspection before shipment with BSCI,CE, FCC,RoSH certification standards. You are highly welcomed to contact us at any time. We will pay our best efforts to satisfy your individuation requirement.