TSEDU-4000

Speaker size : 50mm
Speaker impedance : 32Ω ± 15%
Sensitivity : 110 ± 3dB
Frequency Range : 20-20KHZ
Microphone size : 6.0*2.7mm
Microphone sensitivity : 40 ± 3dB
Charging interface : USB type C
Charging time : About 3 hours
Transmission distance : 10 meters