Ultra-long Battery Life Wireless Earbuds with High-Quality, Powerful Sound. Lasting Battery up to 150H: Further upgrade battery capacity as a 2000mAh power bank to charge your phone in an emergency, get up to 8hrs music playback per charge, and up to 150hrs with the charging case. Driven by High-fidelity Audio: FlyBuds 3S render music in exceptionally detailed sound quality, so you revel in every tone, from deep, rich bass to crisp, clean highs. The built-in call noise reduction function gives you clear phone call experience in any noisy environment. Up to 50ft Range: FlyBuds 3S bluetooth earbuds with bluetooth 5.2 connectivity, you can cook, code, or exercise without missing a moment or call. Comfortable Wireless Earbuds: Three sizes of Tribit FlyBuds 3S eartips are included for a secure fit. Crafted from soft silicone, they provide passive noise blocking with total comfort.