yashan is a professional and experienced manufacturer of electronic products such as BT earphone BT speaker, E-Watch wireless charger and humidifier etc. With the development of our strong R,D team we are dedicated to all your OEM orders in accordance with your demands. We put Products, quality and pre-sale sale, after-sale on our top priority and it is our long-term constant aim. We don,t do one time business if we could have a chance to cooperate, we wont let you down. Sincerely hoping your cooperation with us.