BT version: Bluetrum V5.0  

Noise cancelling Level : about 25-28db                                      

Speaker: 10mm                         

Frequency: 20-20000Hz

Earphone Battery:40mAh

Power case: 300mAh          

Charging time: 1 hour

Working time: about 3hours

BT Range: 10M

Color: Black/white

●New Private Design

●Simple, popular style

●Most cost-effective ANC tws

●Type C charging port