ContentBH72 Series FAQ ....................................................................................... 1Pairing and Connecting .............................................................................. 11. How to enable the Bluetooth pairing mode of BH72 headset? Howlong does it take? ............................................................................. 12. What is the connection distance of BH72 Bluetooth headset?......... 13. Does the BH72 headset have a Bluetooth dongle? ......................... 14. How BH72 works with BT51 Bluetooth dongle? ............................... 15. How many Bluetooth connections can the BH72 headset support?What Bluetooth devices can be connected to BH72 headset? ........ 26. What is the Bluetooth version supported by BH72 headset? Can theBH72 Bluetooth headset be used with other devices with olderBluetooth versions? ......................................................................... 37. Can I use the USB-A and USB-C cable to connect the BH72 headset?......................................................................................................... 38. Can the BH72 series of headsets be used with smartphone and touchpanel? .............................................................................................. 39. Can the BH72 headset series work with an iPhone and Androidphone simultaneously? .................................................................... 310. How to clear the previous connection device information? .............. 411. Can the headset reconnect to the device if it returns to the Bluetoothrange after it exceeds the range? .................................................... 4Call Control and Music Control ................................................................... 412. Why no sound is played out when talking and playing music after theheadset is connected to the computer? ........................................... 413. Why is the voice low or unclear when I talk by the headset? ........... 414. Why can't the other person hear the sound while answering thephone? ............................................................................................. 515. How to keep the first call when answering the first call and thenanswer/reject the second call? ......................................................... 516. Can I transfer media music to the headset?..................................... 517. How to adjust the volume and the order of the songs while playing