Stereo bluetooth headset, Red, White & Black. CSR chipset, Dual-microphone noise fliter, perect sound quality. Business style. Bluetooth Headset Manufacturer 5 years` experience of OEM & ODMOur R ... 2 production lines and manage more than 200 staffIn-house QC ProcessHigh End Stereo Bluetooth Headset For Iphone,Samsung Mobile Phone, etc.Stereo Bluetooth Function, play ...