Only listen earphone
1.easy to take
2.PU coil cable
3.High sound quality
SPK：
Size:13 mm
Audio pressure level:96dB+3dB
Impedance: 32 Ω ±15%
Audio output:30mW
JH-617-1
NIER
speaker, ear micropone, wireless speaker microphone,wireless PTT, replacement battery, antenna for both portable, mobile radios