Wired earphone used for MP3/ MP4 player or other portable media player:
1.Cord length: 1.2m ( 4 feet).
2.Connector: 3.5 mm or 2.5 mm.
3.Packing: PE bag.
4.Shipment: 250 pcs in an inner box, two inner boxes in a shipping box, 500pcs in a shipping box in total.
5.Shipping box size: 50.5 x 32 x 20cm.
1. Speaker dimension: at the client’s request.
2. Impedance: at the client’s request.
3. Sensitivity: at the client’s request.
4. Rated power: at the client’s request.
5. Power capability: at the client’s request.
6. Frequency response: 20Hz to 20KHz.
7. Distortion: less than 6% ( 3mW at 1KHz).
8. Channel balance: less than 3dB at 1KHz.