1. Ease of use and compact size.
2. With Φ3.5mm external earpiece jack.
4. Wide application. Speaker Specifications: Rated Impedance: 16Ω±15% （@ 2kHz 1V）;
Sound Pressure Level: 92±2db (1w/30cm)（@ 1.0/1.5/2.0KHz AVE）;
Rated Power: 1W Max. Power: 2W ;.