Can I use Martix Airdots 400 as a single earbud while listening to music? Yes, you can. Place one earbud inside the case use the other one and pair it with your device. Please note that both earbuds will be connected to the phone. Does Martix Airdots 400 have a touch feature to change tracks? Yes, you can change tracks by tapping the earbuds. Double-tap the left earbud to go to the previous track. Double-tap the right earbud to go to the next track. How is the calling? The call quality is good as long as the network is good and there are no disturbances in the surroundings. During calls is the audio available in both ears? Yes, Martix Airdots 400 supports stereo mode during calls. What is the internal memory? Martix Airdots 400 does not have any internal memory. Does it announce the caller's name or number on incoming calls? No, it doesn’t. What is the exact use of that case? The case works as a charging and holding case for the Martix Airdots 400 earbuds on the go. Is noise cancellation available? Yes, the Martix Airdots 400 has Environmental Noise Cancellation. Does it come in Multiple Colors? Yes it comes in 2 colors Black and White.
