BF-HL505 Earpiece

Speaker Specifications: Sensitivity 115±3dB, Rated Power 10mW, Impedance 32Ω±15dB. 

Microphone Specifications: Sensitivity -38±3dB, Pin Length 1.7mm. 

Applicable Models: BF-TD511, BF-TD505, BF-TD506, BF-TD371, BF-TD821