Earphones, Headphones, Smart Watches manufacturer / supplier in China, offering Q39 Enc Noise Cancelling Wireless Bluetooth Bone Conduction Headphone Sport Earphone, Q39 Hanging Ear Headphone Ows Long Battery Life Sports Wireless Bluetooth Earphone, High Performance 2D Qr Code Reader Automatic Scanning Platform CMOS USB Wired Desktop Barcode Scanner and so on.