Based in shenzhen, china, we, ct electronics international manufactory, are a joint-funded factory, which is specialized in producing bluetooth headset&dongle, mp4, mp3, usb flash drive, digital holy quran, fm car mp3& usb flash drive transmitter etc. Our first brand towards global market is jackct,70% of our sales volume are attributed to overseas market. We warmly welcomed customers all over the world. Oem/odm orders are welcomed!