Amazon Hot Sale K2 Wireless Headphone Bluetooth Earphones with Mic

Bluetooth Resolution4.2Sensitivity123dBTalk /music timeone for 6hours,and a set for 4.5hoursFrequency Response2.4GHzStand-by timeone for 240hours,and a set for 120hoursBattery Capacity85mAh Charging B

  • Model: Amazon Hot Sale K2 Wireless Headphone Bluetooth Earphones with Mic
Bluetooth Resolution4.2
Sensitivity123dB

Talk /music time

one for 6hours,and a set for 4.5hours

Frequency Response2.4GHz
Stand-by time

one for 240hours,and a set for 120hours

Battery Capacity85mAh 
Charging Box600mAh
Charging time2hours

Sound principle

moving coil

Type

Touch Version