samsung galaxy watch 4 silver

Battery life varies by model and usage. The listings show runtimes as short as about 10 hours on higher‑use configurations and as long as up to 3 days or described as “multi‑day” on lighter use. Actual battery life depends on factors such as connectivity (Bluetooth vs LTE), GPS use, activity tracking and display settings—check the specific model listing for its stated estimate.

The listings show screen sizes of 1.81 inches and 1.36 inches. Case materials include stainless steel and aluminum. Band materials mentioned include silicone and leather, with additional colors and styles sold separately.

They are compatible with Android and provide Wear OS/Google app access, including Google apps such as Maps and Google Assistant. Samsung Health integrates for the watch’s health features. Voice features support talk‑to‑text, making/receiving calls and media streaming via the connected phone or, on LTE models, directly from the watch.

When paired via Bluetooth they can make and receive calls and texts through your phone. LTE models provide stand‑alone 4G LTE connectivity for calls, texts and streaming; LTE versions require carrier support and initial pairing/activation as noted in listings.

They include ECG heart‑rhythm monitoring and body‑composition analysis (BIA), built‑in GPS, heart‑rate and SpO2 sensors, and orientation sensors. Safety features listed include fall detection. Voice and call features are supported via a built‑in microphone and speaker.