2 sets True wireless earbuds
Frequency response: 20Hz-20KHz
Sensitivity: 102dB±3dB
Impedance: 16Ω
Speaker:13mm & 6mm
Earbuds battery: 25mah*4pcs
Charging case battery: 300mah
Wireless distance:10m
Working time: about 4 hours
Type-C Charging cable included
