The JVC HANP1T Nearphones Open Ear True Wireless Headphones in Maroon feature a frequency range of 20 Hz - 20,000 Hz, providing clear and immersive sound for various devices such as cellphones, desktops, gaming consoles, laptops, and tablets. With a sleek in-ear design and wireless connectivity via Bluetooth, these headphones offer a comfortable and convenient listening experience. The built-in media includes a cable, charging case, and headphones, making it a versatile and practical choice for users on the go. The 24-hour battery average life ensures long-lasting enjoyment of your favorite music and content.