Phone Headset 3.5mm Stereo Bass Sport Headset In Ear Earphones Flat Earbuds Wired Earphones

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

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.