Bluetooth Headphones 14Hr Working Time, Truck Driver Bluetooth Headset, Wireless Magnetic Neckband Earphones, V4.2 Noise Cancelling Earbuds w/Mic, Compatible with Any Bluetooth Equitments
HIGHLIGHT:<br>1. POWERFUL AND SAFE BATTERY<br> With MSDS certificate for the batteries, and over 14 hours non-stop working time.<br><br>2.HD VOICE & NOISE REDUCTION. <br>Bluetooth 4.2 with Jelee 8634 chip.<br><br>3. SWEATPROOF & WATERPROOF<br>IPX4 waterproof, Light rain or sweat is not a problem, do not wear it in pouring rain or soak it in the water.<br><br>4. LIGHTWEIGHT & NECKBAND DESIGNED<br> Only o.1 LB, TPU Bendable neckband, feel nothing on your neck in a whole day wearing.<br><br>5. INTELLIGENT MAGNETIC DESIGN<br>Decreases the burden on your ears and Fixed the handset in the magnetic position when not in use.<br><br>6. COMBINATION USE<br>A. How to use the combination?<br>* Before connecting Bluetooth, turn on both the headphones, two sets are flashing.<br>* Switch the both call-receiving buttons at the same time in 2 to 6 seconds after the light color changed (one is blue, and the other is red)<br>* The stable blue light one is the host, and the red one is the guest one.<br>* Open your connecting equipment and turn on the Bluetooth, find the host one Bluetooth 900s and connect<br>* You can both enjoy the same voice now, and both can adjust the voice.<br><br>B. How to quit the combination?<br>Turn off the host or the guest one, and re-open to connect your other Bluetooth equipments.<br><br>C. How many headphones can be combination use? <br>Mamamiya Bluetooth headphone can only support two for combination.<br><br>D. If call comes, can the both headphones hear?<br>When the call come to your phone, only the host one can hear the calls, and the guest one will temporarily stop