BH-30

* With heart-rate monitoring function

* With Blood oxygen saturation monitoring function                                                                  

* With colorful LCD dispaly,can display the Heart-rate & Blood oxygen saturation data in real time                                             

* With ANC function

* Bluetooth Version: V5.4+EDR

* Earbuds Battery Capacity: 30mAh   

* Charging case Battery Capacity:300mAh

* Working time:  3-4 hours