Support Bluetooth 5.0+EDR audio sources , hand free kit,  TF card support,  true wireless stereo sound function (2 pcs paired),  Volume control ,charge indication, status indication , FM radio station 

* Battery capacity：1200mAh

* Power Supply: DC 5 Volt 

* Output Power: 5W

* Driver Unit: 52mm,4ohms 

* Frequency Response:100-18Khz