Intelligent Noise Cancellation and Audio Performance This wireless headset uses intelligent noise cancellation technology to deliver stable transmission, HiFi stereo surround sound, and powerful bass. The builtin microphone blocks most background noise, capturing your voice clearly for clear call quality. Collapsible and Comfortable Design The overear headphones feature an adjustable and retractable padded headband that easily fits the right size for children or adults. The breathable design makes them comfortable for extended wear, suitable for running, walking, biking, and other sports. Long Battery Life and Easy Controls Up to 10 hours of continuous use on a single charge. Includes volume control and simple call management for easy answer or end calls. Ideal for daily conversations, chatting, listening to music, and playing games. Clear Sound Quality in Any Environment Delivers call sound during calls, even in noisy environments. Enjoy music while exercising or working. Use Scenarios Commuting or working in noisy environments where clear calls are important Exercising or engaging in sports such as running, walking, or cycling Working from home, gaming, and casual multimedia listening