Product name: mobile phone earphone 
Product model: CF-E016 
Earphone type: Wired
Wearing manner: In-Ear 
Microphone: Yes 
Connectors : 3.5mm
Vocalism principle: Moving coil 
Speaker diameter : 9mm 
Frequency range: 20-2000Hz
Sensitivity: 94db±3db 
Impedance: 16Ω 
Material: Metal(Ear pinna) + TPE(wire)
Cord length: 120cm
Colors: golden
Music mode: 1. Press the function key: Start / Pause 2. Press function key twice:next song 3. Pressthe next song function keys three times: previous song4.Long press a function key: Voice Assist mode.
Talk mode: 1. Press the function key when the phone rings:answer the call 2. Press the call (about 3 seconds):refuse to answer the call 3. when you calling press the function key : hang up.
Application: Apply to apple, samsung, HTC, OPPO mobile phone etc.
Packing: Plastic bag.