popular bluetooth headset mini wireless bluetooth BDC321

Product Description 1) New bluetooth Version 4.0 Suppot connect two equipments at the same time 2) Water-proof and noise cancelling 3) Vibration and voice reminding when phone call comes in 4) Receiving earplugs via Magnetic suction automatically 5) Built in apt-X technology reproduces CD quality sound over a Bluetooth connection 6) Neck wearing style provides all day comfortable 7) CSR 4.0 chipset enjoy high quality sound and music Specifications Frequency response 20Hz