Function: For Mobile Phone,Sport,For Routine Office Work,Common Headphone,Microphone,Supports music,Noise Cancelling,Portable,HiFi Headphone,For The non-traditional sense of headphone headset( The traditional ordinary headphones into the phone, the metal wire is introduced directly into their phones brain wave radiation , combined with high magnetic internal ear speaker load current amplification after prolonged use of the human brain can imagine the harm ). It uses the principle of acoustic air- conduction sound tube , so that the radiation from the vulnerable brain, no radiation within the ear and other electronic devices,the radiation effect is more likely to convince people. Compatible with all 3.5mm phone The new "Intelligent switching mode" Module that allows you to bid farewell to switch wiring troubles,the real For , For , For , For , Ericsson , For , For , For ,For , FOr , For , For , For grand , For one hundred of the most mainstream smartphone brand free cable, plug and play calls and achieve wire -enabled smart MP3 headphone wire New "Intelligent switching mode" Module that allows you to bid farewell to switch wiring troubles. high-quality Press feeling. strong antioxidant capacity.Durable and strong. Special collar clip, convenient to fix headphone and microphone, the quality of answer the call. Support APP: No Active Noise-Cancellation: No Support Apt-x: No Support Memory Card: No Vocalism Principle: Hybrid technology Wireless Type: NFC Plug Type: Line Type Volume Control: Yes Is wireless: No Frequency Response Range: 15-20000Hz Waterproof: No Communication: Wired Model Number: EJ104 Control Button: Yes Style: Ear Hook Headset Parameters: Appearance Type: earbud Technology Category: Capacitive Transmission: Wired Sensitivity: 113 (dB) Cable length: 120 (cm) Impedance: 32 (ohm) Speaker diameter: 10 (Diameter mm) Binaural ear, stereo sound, and enjoy superior sound quality Using the audio controller to manage music and calls Use any compatible headset connected to your mobile device design gives you a great portable Color: White Material: ABS size: Plug Diameter: 3.5mm Line Length: 0.9m Package Contents: 1 x 3.5mm earphone 4 X Earplug Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.