• TWS earphones bluetooth version：5.0

• Connection distance：≥10 meters                                  

• Earphones working time：over 5 hours under 50% volume                                                              

• Battery capacity for earphones ：40mAh 

• Battery capacity for charging box：1800mAh

• Speaker playing time: over 10 hours under 50% volume

• Charging input voltage: DC 5V/2A

• Charging time for earphones：1 hour 

• Charging time for charging box：4 hours