2.HD VOICE & NOISE REDUCTION.
Bluetooth 4.2 with Jelee 8634 chip.
3. SWEATPROOF & WATERPROOF
IPX4 waterproof, Light rain or sweat is not a problem, do not wear it in pouring rain or soak it in the water.
4. LIGHTWEIGHT & NECKBAND DESIGNED
Only o.1 LB, TPU Bendable neckband, feel nothing on your neck in a whole day wearing.
5. INTELLIGENT MAGNETIC DESIGN
Decreases the burden on your ears and Fixed the handset in the magnetic position when not in use.
6. COMBINATION USE
A. How to use the combination?
* Before connecting Bluetooth, turn on both the headphones, two sets are flashing.
* 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)
* The stable blue light one is the host, and the red one is the guest one.
* Open your connecting equipment and turn on the Bluetooth, find the host one Bluetooth 900s and connect
* You can both enjoy the same voice now, and both can adjust the voice.
B. How to quit the combination?
Turn off the host or the guest one, and re-open to connect your other Bluetooth equipments.
C. How many headphones can be combination use?
Mamamiya Bluetooth headphone can only support two for combination.
D. If call comes, can the both headphones hear?
When the call come to your phone, only the host one can hear the calls, and the guest one will temporarily stop