Alongside its new MateBook X, Huawei introduced its latest in-ear headset - the FreeLace Pro. The Bluetooth earbuds come with an around the neck cable, active noise cancellation (ANC) and charge over their built-in USB-C cable. Huawei claims the ANC can reduce up to 40dB of sound. There’s also an ambient mode which will let in outside noise when you’re on the move. The earbuds feature touch controls on the side as well as physical toggles for music and calls on the neckband. They're powered by 14mm drivers and there’s also a total of 3 microphones for the ANC setup and for clear audio...
Source: https://www.gsmarena.com/huawei_freelace_pro_come_with_anc_builtin_usbc_cable_and_24hour_battery_life-news-44816.php