REMAX BLUETOOTH HEADSET RB-T18

Model: RB-T18
Wearing Type: In-ear
Microphone: Yes
Bluetooth Version: V4.1
Transmission Distance: 10m
Rated Power: 3mW
Driver Unit: 8.6mm
Receive Sensitivity: 85dB
Impedance: 16Ω
Frequency Response: 20-20000Hz
Battery Capacity: 50mAh, 3.7V
Charging Time(h): 2 hours
Working Time(h): 3 hours
Standby Time(h): 80 hours
Color: Black (as given picture)