Sony MDREX155AP Earphones with Microphone for Calling Black In-Ear Headphones/Headset (MDR-EX155AP/B)

【Voltage Compatibility】 When using electrical appliances, please note that they are designed for Japanese voltage specifications (90-110V), so if you use them with a different voltage, it may cause a malfunction. 【Plug Type】 Our products use Japanese plug types (A or B type). Please use a conversion adapter if necessary. 【Important Note on Transformers and Adapters】 A transformer adjusts voltage to match your device’s requirements. A conversion adapter only changes the plug shape and does not adjust voltage. Using only a conversion adapter without a transformer may result in damage to the product. 【Liability】 We are not responsible for malfunctions or damages caused by improper use, such as operating the product without a transformer. Integrated microphone and smartphone playback controls. Product Notes: If the size of the earphone tip does not match the size of your ear canal, or if the headset is not seated correctly in your ear, you may not get the correct sound quality or call performance. Change the earphone tips to ones that fit snugly in your ears. 9mm neodymium driver for dynamic sound. Silicone earphones with a comfortable and secure fit. Flexible 4ft Y-cord. Lightweight design makes it easy to carry. [Inside the box] Cord adjuster, 3 pairs of ear tips (small, medium, large) Connection technology: Wired Frequency response - 5Hz-24,000Hz, impedance - 16 ohms.