1. Put on a bluetooth headset while talking on the phone, or you can do other things.
2, Bluetooth headset electromagnetic wave is much lower than the mobile phone, when talking on the phone as long as the phone is in a briefcase or pocket, put on the headset to easily speak, neither hands lifted high, but also can effectively reduce the electromagnetic wave on the human body influences;
3. The "Bluetooth" technology replaces the application of infrared technology on PCs and mobile communication products with the advantages of low cost, low power consumption, short distance, and high frequency (frequency hopping technology).