Q1: Are you a manufacturer or a trading company?

A1: We are a professional manufacturer of Bluetooth earphones, operating with 5 modern production lines and over 300 skilled workers. We implement a strict production management system and welcome scheduled factory visits. “Isoud” is our English factory name, representing “Elegant, Intelligent, Sonic” — reflecting our commitment to aesthetic design and superior sound quality.

Q2: Do you offer product, packaging, or label customization?

A2: Yes, we provide comprehensive OEM/ODM services including custom product design, fully recyclable paper packaging, and label personalization. Our R&D team consists of 5+ experienced engineers capable of delivering product renderings within 48 hours. We also support deep technical customizations such as startup sound, audio tuning, battery performance, and chip selection, along with standard test reports.

Q3: What certifications and quality assurances do your products have?

A3: All products undergo triple strict quality inspections and are 100% fully tested before shipment. Our factory is ISO14001 certified, and our products comply with international standards including CE-RED, RoHS, BSCI, FCC, and CE. We also provide tailored certification support to ensure smooth market access worldwide.

Q4: Can you provide samples?

A4: Yes, we offer free samples. Customers only need to cover the shipping cost. Samples are dispatched within 48 hours after order confirmation.

Q5: What is the lead time for bulk orders?

A5: Standard bulk orders are typically produced and shipped globally within 7–14 days. Lead time can be optimized based on order quantity.

Q6: What payment methods do you accept?

A6: We accept various payment methods including Alipay, PayPal, T/T, and credit card. For further assistance, please contact our sales team.