หูฟัง Smalltalk Borofone BM23 Bright Sound Universal Earphones With Mic

1. Speaker: 14mm, connector: 3.5mm. 

2. Material: TPE high elastic cable with enameled wire. Cable length: 1.2m. Weight: 11g. 

3. Microphone: controller with mic. 

4. Wire control: functional single button operation, sliding button to control the volume adjustment