Function:

* Support hands-free calling, built in microphone, convenience and safety for answer the        phone.

* Noise cancellation by CVC. Wind noise suppression, Full duplex technology.

* Support A2DP, Play mobile music in high quality once connecting by wireless.

* auto pairing once turn it on.

* Support MP3/WMA/FLAC from TF card.

* M44 will come with car charger, output 5V-2.1A, can charge the device in car.

Bluetooth.

- BT version : V5.0+EDR

- Frequency : 20h~20KHZ

- Voltage : 5V+/-.05

- Frequency : 2.402~2.480 ghz

- Effective distance : 4 dBm

FM.

- FM : 87.5MHZ~108.0MHz

- Emission Power : 87 dBuv/107 dBuv

- Effective distance : 5m