Sound :
- Diaphragm: PET
- Frequency response: 6 - 24 000 Hz
- Acoustic system: Closed
- Impedance: 16ohm
- Maximum power input: 20mW
- Sensitivity: 107 dB
- Speaker diameter: 8.6mm

Connectivity :
- Connector: 3.5mm
- Cable length: 1.2m
- Cable Connection: two-parallel, symmetric
- Finishing of connector: Gold plated