K2 Wireless Headphone Deep Bass Earbuds 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: K2 Wireless Headphone Deep Bass Earbuds Bluetooth Earphones with Mic