Business Bluetooth HeadsetDescription support 2 Bluetooth devices, handsfree calls, release user's hands Wireless Bluetooth, out of the shackles of the headphone cable USB standard high capacity interface, easy to charge High definition sound, suitable for phone calls and listening to music (1)Main functions: Listen to music, Answer the phone, End calls, Reject calls, Last number re dial, Three position call (2)Application of microphone noise reduction technology, reduce the