Features:

* Hold power button to turn on/ turn off, press the volume key to switch music, hold volume key to change volume

* Speaker has a built in microphone so you can take calls on the speaker

* With micro SD TF card slot, you can play mp3/mp4 format files in the TF card , Support A2DP, AVRCP, heads

* Connect your all kind of Bluetooth enabled devices to play any song through this speaker. This speaker has power to work as a remote to change songs/tracks or pause/reverse/forward and accept calls after connecting with your phone

Specifications:

Bluetooth Name: M-28

Continuous Working: 3-5 hours

Power Rating: 3W

The Power Indicator: 4V

Frequency Response: 100HZ-18KHZ

S/N Ratio: more than 65db

Size: Approx. 7x7x8cm/ 2.75x2.75x3.14inch