Function:: Bluetooth/Call/ Last call redial/SIRI/8892
Frequency:20-20KHZ
Material: ABS
chip:5.0
Bluetooth Version:JL
Transmission distance:10m
.Noise reduction depth:-23-- 26dbm
Standby time:180 hours
Battery:(Li-Pol battery inside)
Earbuds: 3.7V30mAh
Charging case: 3.7/300mAh
Music time:>about 3-4 h
Talking time: about 4 hours
Charging time:about 1-2 hours
Sensitivity: 103dBm±3dBm
Speaker: 10mm