Immerse yourself in rich, detailed sound across a wide 20Hz-20KHz frequency range, whether you’re lost in your favorite tunes, crushing your workout, or taking crystal-clear calls with the -42dB mic sensitivity. Sweatproof and secure, the K-1 is your perfect workout companion. Enjoy 32ft of wireless freedom to roam, and control music and calls with ease. Choose your vibe: Rock the K-1 in sleek Grey, trendy Blue, classic Black, bold Red, or sophisticated Black & Silver. Why choose the K-1? 45 hours of playtime: Listen all day and well into the night. Crystal-clear audio: Immerse yourself in rich, detailed sound. Sweatproof and secure: Perfect for workouts and active lifestyles. Seamless Bluetooth 5.0 connection: Enjoy stable and reliable pairing. Lightweight and comfortable: Wear them for hours on end without fatigue. Affordable price: Get high-quality sound without breaking the bank. 6-month guarantee: Peace of mind with long-lasting quality.