EEB8932B 55mAh charging neckband bluetooth earphone bt earphone

Bluetooth:JL V5.0

Speaker Dimension:10mm

Battery:55mA

Charging Time:1.5h

Playing Time:2.5h

Sensitivity:103±5db 

Frequency Response:20Hz-20KHz 

Working Distance:10m(Barrier-free Space)

Impedance:32 Ω

With Round Wire