A future Apple Watch could allow the watch body to detach from the band for charging while the band continues to track Biometrics+
Today the US Patent & Trademark Office published a patent application from Apple that relates to an Apple Watch Band that will be able to function as a biometric device tracking a users heart rate, a respiration rate, blood oxygenation level, a blood volume estimate, blood pressure, even when the Apple Watch body is detached for charging or other reasons....
Travis Mcqueen Us Patent Trademark Office Trademark Office Apple Watch Band Apple Watch Gen Apple Watch
Source: patentlyapple.com