Shenzhen Well Electronics Co.,Ltd is a professional manufacturer and exporter in the line of USB Card Reader, Sim Card Backup device, USB Hub, Bluetooth headset, Bluetooth Car Kit, Bluetooth dongle,etc. Due to our high quality, competitive prices,timely delivery, we have enjoyed high prestige at home and abroad. Also, you can reach us at our website www.szwell.com.cn which cover most of our range of products with detailed specifications as well.