Noise Cancelling Bluetooth Headset Dual mic technology cancels background noise and wind, and can separate your voice from up to 80 dB of ambient noise. This helps you answer calls in noisy environments and enjoy clear calling plus quality music anytime and anywhere. Bluetooth v5.0 technology Fast pairing with the majority of Bluetooth devices. aptX HD technology Low Latency ensures realtime audio transmission for wireless calls and music. Comfortable and convenient Designed to fit either ear; the retractable ear hook and flip arm can be rotated for a firm, secure fit. Lightweight and comfortable for hours of wear. Ultimate comfort ear gels come in 3 sizes for a good fit. Includes a end carrying case to protect the headphones from damage and loss. Long battery life 5 hours talk time, 5 hours music playback, 320 hours standby. Fully charged in 1.52 hours. One key to turn on/off and to answer, reject, end, and redial the last call. Use scenarios In noisy offices or on crowded streets, the noise cancelling helps you sound clear on calls. While commuting or traveling, enjoy wireless calls and music with convenient onekey controls. Outdoor activities in windy conditions benefit from the dual mic to reduce wind noise and capture your voice clearly.