Stereo Bass Noise Cancel Phone Headset In Ear Earphones Flat Earbuds Sport Headset Wired Earphones

Label:Yes Impedance: <10Kohm Use voltage: DC4.5V Maximum rated power: 50MW Speaker diameter: 16MM Package include:1Pc Earphones Rated input power: 30MW Wire length: 120CM Product Properties: ear-style flat ear with a button to answer the phone Line control with calls, song music the phone can be achieved on /off . Product technical parameters: (speaker parameters) product manual: Microphone specifications: 6 * 2.5MM Frequency range: 30-15000HZ Impedance: 32 ± 15% Frequency corresponding: 20HZ-20KHZ Applicable models: all 3.5mm port mobile phone, Product technical parameters: (microphone parameters) Needle head: 3.5MM Directionality: full point. Sensitivity: -58 ± 3DB Sensitivity: 110 ± 3DB (at1khz 1mw)

Note: Instructions: plug in 3.5 jack headphones, if the sound is normal that does not need to adjust; if the sound is not clear with the NK - IP key to adjust to clear file can be. Please allow 1-3cm difference due to manual measurement. Due to light and screen difference, the item's color may be slightly different from the pictures.