Coviva Industry is a professional manufacturer of earphones and cables and phone accessories and other electronics products. Located in the famous world manufacturing center Dongguan city, it focuses on the consumer electronic products with high quality cables, chargers, earphones, TWS, mini fans and other related electric products. Coviva has an advanced R&D team and focuses on the latest technology and innovations in production appearance, performance and structure, providing customers with high performance products at most competitive prices. We can provide various choice for our partners. We have more than 18years experience in both products developments and international business services and have plenty working experience in dealing famous brands. We provide OEM and ODM services to well-known companies at home and abroad, Coviva has been adhering to the quality policy of 鈥渆xcellence, excellence, continuous improvement and perfection of products and services鈥? and has won unanimous praise from domestic and foreign customers. All the time, quality is QUALITY PRIORITY and we also working on ways to provide most competitive prices for our customers. Some common factors for our earphones quality control: Appearance Quantity check Measurement Call test Function test Aging test Bluetooth function connection effective distance Audio left and right channel check Charge and discharge performance Barcode scanning Internal check Working current check Our Certification锛?/strong> Our Service锛?/strong> Continuous development, research and development to meet market demand, new and practical quality products; strive to provide customers with pre-sales, sales, after-sales service, is the eternal theme of the company's search for business, here the company promises to the majority of users: Pre-sale Service: 1. Free consultation for customers. 2. Provide customers with product samples, packaging consultant and shipments arrangement and other needed information. 3. Invite customers to visit our company, production equipment, manufacturing process and so on. 4. Experienced designers are required for custom services such as LOGO for customers. In-sale Service: During the production process, customers are invited to visit our company to check the various processes in the production process and inspect. Provide product inspection standards and results. Report the production steps to the customer in time. After Sales Service: 1. In response to customer service or feedback, we will provide a response and solution that will satisfy our customers in the shortest possible time. 2. Regularly contact customers for collecting opinions and seeking for cooperation and improve ourselves through customer鈥檚 feedback. Our advantages : 1. Various designs and more models for customer choosing. 2. Rich experience in both products and service 3. Short lead time 4. Most competitive prices 5. Fast response 6. Strong responsibility Customized Auto Pairing Headphones website:http://www.covivatech.com/ website2:http://www.covivatechsp.com/