imported Ear Buds With 3500 mAh Power Bank

imported Ear Buds With 3500 mAh Power Bank Easy To Carry True Wireless Stereo Headset Speaker size : 6MM
Speaker Impedance : 169
Speaker Sensitivity: 101dB
Speaker Frequency : 20HZ-20KHZ
Headset communication distance :10M
Single ear talk time : 6hours
Music playback time: 6hours
Single ear standby time: 120hours