Descriptions:
-Mobile phone handsfree with mono earbud.
-Mobile phone headset with Mic, call control button included.
-Phone headset with noise reduction micrphone.
-Mono handsfree with colar clip portable and easy to use.
-Handsfree headset with any plugs as needed for mobile models.
-Phone earphone with RoHs/CE available as demand.
-Earphone headphone with buyer's specifications accepted.
-Package: PE bag / blister case / color box, or any others as needed.

Earphone specifications:
-Driver unit: Dia 15mm
-Impedance: 32ohms
-Sensitivity: 109dB+/-3dB
-Max input power: 15mW
-Frequency Response: 20Hz-20,000Hz
-Short handsfree cord length: About 15cm.
-Long handsfree cord length: 1m+/-3%
-Plug type: For any mobile models as needed.

Microphone specifications:
-Dimensions: 6×5mm
-Sensitivity: 58dB+/-3dB
-Frequency Response: 20Hz-20,000Hz