Noise Cancelling Bluetooth Headset Dual mic technology reduces background noise and wind, and separates your voice from up to 80 dB of ambient noise. This helps you answer calls in noisy environments while enjoying clear calling and music anytime and anywhere. Bluetooth 5.0 technology Fast pairing with the majority of Bluetooth devices Uses aptX HD technology with Low Latency to enable realtime audio transmission for calls and music Enjoy the freedom of wireless calling with stable connections Comfortable and convenient design Designed to fit either ear, with a retractable ear hook and flip arm that rotate for a secure, comfortable fit Lightweight and suitable for hours of wear Three sizes of ear gels provide a tailored fit Includes a carrying case to protect the headphones from damage and loss Long battery life 5 hours of talk time 5 hours of music playback 320 hours of standby time Fully charges in 1.5 to 2 hours One button powers on/off and handles answering, rejecting, ending, and redialing the last call Practical use scenarios Commuting in noisy environments or on crowded public transport: advanced noise cancellation and wind reduction keep calls clear Office or home use in noisy settings: stable wireless connection and clear voice pickup for hands calls and media Outdoor travel or exercise: secure fit and long battery life enable music playback and calls on the go