These are the true wireless earbuds crafted with German engineering by Sennheiser for superior stereo sound for every genre of music. The earbuds connect easily via Bluetooth 5.0 to iOS and Android devices.Noise-canceling technology lets you listen without distracting sounds from the world around you, while the transparent hearing setting enables you to remain aware of your surroundings. A fingertip touch gives you control over music, phone calls, and your device’s voice assistant. The earbuds charge in their own compact case, providing up to seven hours of listening pleasure. A slim, lightweight design and four sizes of ear tips provide comfort for all users. Case: 3" L x 1 3/4" W x 1 1/2" D. (2 1/3 oz.)