New version make difference.  <br /><br />Product parameter:<br />Polish Appearance & Supper Function combined as one: Bluedio N2 Muti-function bluetooth headset. N2・  your best choice!<br /> <br />Multi-function: <br />EQ<br />Real stereo<br />Voice prompts<br /> Multi-point<br />Call waiting・<br />180hrs standby<br />Last call redial<br />Noise reduction<br />Voice control<br /> <br />Parameters:<br />Bluetooth v 4.1<br />Protocol: A2DP・ AVRCP・ HSP・ HFP<br />Play time: approx. 5 hours<br />Stanby time: 180 hours<br />Frequency range: 2.4GHz-2.48GHz<br />Charging time: approx. 2 hours<br /> Length of cable: 580mm<br />Connection range: up to 10 meters<br /> <br />User instruction:<br />Bluetooth Pairing:<br />1.Keep the distance between the headset and mobile phone within 1 meter.<br />2.Activate the headset・ entered to pairing mode.<br />3.Initiate Bluetooth of mobile phone (Android: Scan for device)・ search  Q2  or  Bluedio .<br />4.Select  Q2  or  Bluedio  (some mobile phones need to input PIN  0000  as password) and the headset will automatically connect with your phone.<br /><br />5.Attention: When headset switch off・ keep press the MF button 8 seconds will issue a sound. Generally・ there are 120 seconds at maximum to pair headset with your mobile phone・ or the headset will power off when the light goes out. Retry steps 1 to 4 to pair again if your operation doesn t work.<br /> <br />Call waiting:(phone feature)<br />When phone 1 is i