Hands-free calling This wireless bluetooth headset with Siri microphone support and voice assistance. The buttons are easy to use when driving or in a meeting. Strive to fit a helmet that offers safety and convenience for everyone. Long battery life This headset can last 5 hours of working time, with Type-C charging box can provide 4 times more charging. The total time for sharing and playing is 28 hours. Our professional wireless headphones with Ditgtal LED display make charging more convenient. Comfortable fit to your ears The center headset with ear suspension design is ergonomic and conforms perfectly to the contour of the ear. We therefore offer you 3 optional ear tips (S / M / L) to choose your headphones. Enjoy a bright and comfortable day with our headphones. Wide Bluetooth 5.0 Compatibility Adopts the most advanced Bluetooth 5.0 technology, fast connection, one-touch automatic connection. Compatible with most bluetooth devices (Android / iOS / WINDOWS), which can be offered as a gift for family and friends.