During these days｣ｬ we will use two types line control｣ｬ we will send it to you randomly. Please feedback us your experience; <br />Note: <br />If you meet the connect problem or other problem｣ｬ please contact us immediately｣ｬ  we will help you to fix all problems. Thanks<br />Please follow the last picture(red and blue LED flash) to pair your smartphone<br />Remarque:<br />Si vous rencontrez le probl me de connexion ou un autre probl me｣ｬ s'il vous pla t contactez-nous imm diatement｣ｬ nous allons vous aider   r soudre tous les probl mes. Merci<br />S'il vous pla t suivre la derni re image (rouge et bleu flash LED) pour coupler votre smartphone<br /><br />Specifications: <br />Bluetoo version: V4.0<br />Transmission Range: 10 m <br />Profile support:HSP/HFP/A2DP/AVRCP <br />Stand-by time:200 hours <br />Talk time:6 hours <br />Play music time:4 hours <br />Charging time:1 hours <br />Frequency range:2.402G-2.480G <br />Ambient temperature:-20/+60 C <br />Driver:11.5mm <br />Impedance: 16 15% <br />Frequency response: 20-2000HZ <br />Sensitivity: 110dB 3 dB <br />with microphone <br />  <br />Features: <br />Ear and tail pipe connection with oblique angle design｣ｬ comfortable and easy to wear. <br />It has high quality sound｣ｬ enjoy your life. <br />A perfect gift for yourself or friend <br />  <br />  <br />Package contents:  <br />1 x  Bluetooth 4.0 Earphone<br />1 x User Manual  <br />1 x Calbe Clamp｣ｬ  <br />2 x Pair of Earbud｣ｬ  <br />2 x Ear Hook