BT version: Realtek  V5.0  8773BFR                                    

Noise cancelling Level : about 25-28db                                      

Speaker: 10mm                          

Frequency: 20-20000Hz

Earphone Battery:40mAh

Power case: 500mAh          

Charging time: 1-2 hours

Working time: about 4-5 hours

BT Range: 10M

Color:white

●New Private Design

●High quality tws earbuds

●Active noise cancelling earbuds

●Transparent mode