Delock in-ear headphones with a 4-pin 3.5 mm jack, microphone, and volume control. Quick-Mute function for smartphones and tablets. In-ear design, unspecified for lifestyle use. Multifunction button: mute, play, pause, skip forward. Frequency response: 20 - 25,000 Hz, impedance: 32 Ω. Headphone features: inline remote control, microphone. Connection options: 3.5 mm jack. Gray. Stereo sound. The 10 mm headphone audio drivers deliver clear highs and deep bass, providing excellent stereo sound. High-quality OFC copper cable. The twisted OFC (Oxygen Free Copper) cable of the headphones is made from oxygen-free copper, ensuring optimal transmission properties and durability. Ergonomic design and comfortable silicone ear tips. The ergonomically angled headphones offer a pleasant wearing comfort. The soft ear tips are made from food-grade and environmentally friendly silicone, perfectly adapting to the ear canal. Cable remote control and Quick-Mute function. The cable features a remote control that allows you to adjust the volume on the headset as desired. With the multifunction button, the microphone can be quickly muted, and the next song can be selected, paused, or played again. In-ear headphones - the ideal companion. In-ear headphones are inserted directly into the ear canal. The resulting pressure chamber effect allows for a powerful sound experience without needing to turn up the music too loud. This is gentle on your ears and also extends the battery life of your playback device. Additionally, in-ear headphones have excellent noise-canceling properties, significantly reducing the perception of disturbing ambient sounds. Thanks to their compact size, they can be easily stored in any pocket, making them the perfect companion for on-the-go use.