- Bluetooth 5.1 with CVC 8.0: delivers low latency and a stable connection to most Bluetooth devices, including iOS and Android smartphones, tablets, and laptops, up to 33 feet away without signal loss or music dropouts. The CVC 8.0 mic provides clear voice capture even in noisy environments. - Ergonomic full-in-ear design: comfortable for business, office, driving and trucker use. Ear hook rotates 180° vertically and 270° horizontally; headset receiver rotates 45° for a secure fit and easy switching between left and right ears. - Long battery life: fully charges in 1 hour. Up to 10 hours of talking time or music time, and up to 120 hours of standby. Charging case provides up to 8 full charges. - Multi-function controls: buttons on the earpiece let you play or pause music, answer/end/reject calls, and mute. Voice control such as Siri can be activated for hands-free use. - Use scenarios: ideal for office calls and on-the-go communication, suitable for driving or commuting, and convenient for travel or long listening sessions without frequent recharging.