Csr8615 bluetooth 4.1 dual mic chip;
support app phone call number prompt, name prompt, message reading and photo taking;
support voice dialing;
support previous and next song and volume control;
support music play and pause control;
support english, cantonese, mandarin shifting;
support s3d enhanced stereo (high quality, hifi, digital stereo audio);
support incoming phone call voice recognition and rejecting;
support cvc wide channel and narrow channel audio connection, noise reduction and clear phone call;
support 2 ways hfp voice phone call and a2dp music playing;
support dual earphones output;
compatible with different smart phones and tablets;
support over 20m transmitting distance;
low voltage and long standby time: continuous listening to music for 8 hours;
120 hours standby time;
built-in rechargeable battery