GoKawiilAnker Unveils Sleep Earbuds 4 and 4 Pro with Smaller Design at IFA
Anker introduced the Soundcore Sleep Earbuds 4 and 4 Pro at IFA Berlin, upgrading its popular sleep-focused earbuds line with a smaller ergonomic fit and a touchscreen charging case for the Pro model. The Pro version adds a 'track-assess-adjustment system' that uses biometric sensors—including heart rate and HRV monitoring—to tailor audio for better sleep. The standard model launches in October, with the Pro following in November; pricing has not been disclosed.