Established in 1998, Guangzhou Cithen Electronics Co. Ltd is specialized in a wide range of electronic products including Bluetooth products, digital photo frames, computer products, and others; totally 60 ready models for your selection. Clients in the US and Europe choose to source from us, contributing to $10 million annual sales in 2007. 5-10 new items every month Our 5-year-experienced R&D engineers have ever worked with CSR, TI, and BROADCOM, and they release 5-10 new designs every month to update your choice. With your ideas, we can get your samples ready within 30 days. Send us your specifications now. Zero return rate and 0.005% repair rate Our 10,000sq.m factory is ISO 9001 and ISO 14001 certified, equipped with 8 semi-automated production lines. Monthly capacity reaches 100,000 units. To ensure every piece you receive is defect-free, we purchased raw materials from CSR in England, and BROADCOM in the US, and conduct 100% check on each piece. Up to now, we keep zero return record, and the repair rate is low as 0.005%. Orders of 5,000pcs can be delivered in 15-20 days. Choose our products that have 13-month warranty, contact us now.