TSmart Audio Technology Limited is the professional designer and manufacturer for bluetooth speaker/headphone.1) With strong product design and development R&D capability, OEM and ODM are our major business structure. 2) With strong quality control, now we are vendor of Walmart.3) Small orders welcome. We are willing to grow with customer together 4) Drop ship supported. We stock, you sell. 5) Strong after sale customer service to build your brand and keep your customers. Quality first, support best! Customer survive, we survive!