Baseus Bass BS1 NC Semi-in-Ear True Wireless Earbuds feature innovative adaptive hybrid ANC without ear pressure. With LDAC technology, 13mm drivers, and 6-mic AI calling, these 4g earbuds provide premium sound and all-day comfort.

Key features:

No More Compromise – True Comfort Meets True Silence: Why choose between comfort and noise cancellation? Our innovative semi-in-ear noise cancelling earbuds brings Adaptive Hybrid ANC without the bulk or ear pressure. Unlike traditional in-ear models, we’ve engineered a breathable, lightweight fit that seals in silence—not your ears. Perfect for all-day wear, whether you're working, commuting, or relaxing

Hi-Res Audio with LDAC – Hear Every Detail: Experience lossless-quality sound with LDAC technology, transmitting 3x more data than standard Bluetooth. Paired with 13mm dynamic drivers and SuperBass 2.0, your music isn’t just heard—it’s felt. From subtle harmonies to powerful beats, every genre shines with crisp, rich clarity in these premium Bluetooth earbuds

Feather-Light Design, All-Day Comfort: At just 4g per earbud, it’s like wearing nothing. The ergonomic semi-in-ear shape and soft skin-fit material provide a secure yet pressure-free hold. No fatigue, no slipping—just cloud-like comfort through long hours and active moments with these ultra-light anc earbuds

40-Hour Power with Speedy Refuel：Get up to 7 hours of playtime on a single charge (ANC off) and 40 total hours with the compact charging case. In a rush? Just 10 minutes of charging delivers 2 hours of playback. Your music stays on, day and night

6-Mic Crystal-Clear Calls, Wherever You Are：6 built-in mics with AI noise isolation and wind reduction ensure your voice comes through loud and clear—even in noisy streets or windy outdoors. Stay professional and connected on every call with these advanced semi in ear earbuds

IP55 Sweat, Rain & Dust Resistant：Built for real life. Whether you’re sweating it out at the gym, caught in the rain, or navigating a dusty trail, these durable ear buds keep up with your pace and protect against the elements