Panasonic RPHJE120V In-Ear Headphone is wired and connects via a 3.5mm Jack. It is compatible with devices like smartphones, desktops, TV, tablets, laptops, etc. The headphone is perfect for sports and entertainment. Its ear canal design is ergonomic and gives a secure fit. The microphone provides crystal clear communication. Also, its volume control buttons are easy to control. The headset's ear cushion material is comfortable. Its cord length is 3.6 feet. Its color looks elegant and cool. Also, the cord is tangle-free and fits perfectly in the bag. Its frequency response is 5Hz to 26,000 Hz.