FreeBuds SE 2 In-ear Earphones, True Wireless Earbuds, 40-Hour Battery Life, IP54 Water and Dust Proof, Compact and Comfortable, Ceramic white

Charge the earbuds for 10 minutes before your commutes, and listen for as long as 3 hours. Once fully charged, the earbuds will sustain up to 9 hours of listening, and when charged multiple times with the case, they can support up to 40 hours of listening! 300,000+ ear canal samples and ergonomic simulation-based analysis. Robust Bluetooth 5.3 connections keep sound and image in sync,5 for immersive audiovisual experience.