Refurbished reasons: The smartwatch comes with its unsealed original box and is in overall good condition.About the Samsung Galaxy Watch8.It has an aluminum design with a 40 mm diameter.It has a storage capacity of 32 GB and a 325 mAh battery that lasts up to 30 hours (with AOD activated).It comes with Bluetooth v5.3 connectivity, dual-band GPS system, and a screen with brightness up to 3000 nits.Comfortable padded design.The Galaxy Watch8 stands out for its thin body, 11% thinner than its predecessor, and for its innovative padded design that adds a distinctive touch, providing greater stability when playing sports and more comfort of use.This version has a diameter of 40 mm.Screen and 3nm processor.The 1.34´´ AMOLED panel offers a brightness level of up to 3000 nits, guaranteeing unparalleled clarity in any light condition.For its part, the powerful 3nm processor improves productivity thanks to a great response speed.In addition, the watch has 32 GB of internal storage for files and applications.Energy Score.Track the average of your sleep hours and physical activity performed the previous day to obtain personalized statistics and proactive advice based on optimizing your energy from the time you wake up until bedtime.Health monitoring.The smartwatch monitors sleep stages, heart rate, and blood oxygen levels while you sleep.It is capable of monitoring blood pressure, performing tests to detect irregularities in your heart rate, and issuing alerts if it is abnormal.As if that were not enough, it also measures the antioxidant index to slow down the effects of aging and stress levels, with breathing exercises to return to calm.Sports tracking.Running Coach is an assistant that measures your running ability to adjust your daily goals and provide you with personalized workouts.You can track your progress and follow your routes thanks to a precise dual-band GPS system.Renewed interface and connectivity.The new One UI 8 Watch facilitates access to important information and optimizes notifications.It includes integration with the AI assistant Google Gemini, which can manage multiple tasks through voice commands. Samsung Galaxy Watch8 40mm BT Silver Technical Specifications.Screen.Screen diagonal: 1.34´´.Display technology: AMOLED.Display technology marketing name: Super AMOLED.Maximum screen brightness: 3000 nits.Always-on display: Yes.Display type: Digital.Screen resolution: 438x438 Pixels.Touch screen: Yes.Design.Shape: Round.Market positioning: Smartwatch.Watch body size: 40 mm.Watch body color: Silver.Watch body material: Armor Aluminum.IP code (International Protection): IP68.Water resistance level: 5 ATM.Performance.Operating system installed: Wear OS.RAM capacity: 2 GB.Built-in microphone: Yes.Built-in speakers: Yes.Fall detection: Yes.Features.Heart rate monitor: Yes.Heart rate sensor type: Optical.Blood pressure monitor: Yes.Pedometer: Yes.Accelerometer: Yes.Gyroscope: Yes.Activity tracking: Yes.Personal goals: Yes.Sleep quality: Yes.Supported audio formats: 3GA, AAC, AMR, AWB, M4A, MP3, OGA, OGG, WAV.AI Assistant: Google Gemini.Voice recording: Yes.Electronic compass: Yes.Geomagnetic sensor: Yes.Stress monitoring function: Yes.Calendar: Yes.Stopwatch: Yes.Weather forecast: Yes.Barometer: Yes.Military certificate: MIL-STD-810H.Connection.Mobile network connection: No.GPS (satellite): Yes.BeiDou: Yes.GLONASS: Yes.Galileo: Yes.Ports and Interfaces.Wifi: Yes.Wi-Fi standards: 802.11a, 802.11b, 802.11g, Wi-Fi 4 (802.11n).Bluetooth: Yes.Bluetooth version: 5.3.Power control.Battery type: Built-in battery.Battery capacity: 325 mAh.Wireless charger: Yes.Weight and dimensions.Width: 40.4 mm.Depth: 42.7 mm.Weight: 30 g.Packaging content.1x Samsung Galaxy Watch8 Silver.1x Wireless charging cable.-Screen diagonal: 1.34´´.-Display technology: AMOLED. -Commercial name of the display technology: Super AMOLED.-Display maximum brightness: 3000 nits.-Display type: Digital.-Display resolution: 438x438 Pixels.-Shape: Round.-Market positioning: Smartwatch.-Watch case size: 40 mm.-Watch case color: Silver.-Watch case material: Armor Aluminum.-IP code (International Protection): IP68.-Water resistance level: 5 ATM.-Operating system installed: Wear OS.-RAM capacity: 2 GB.-Heart rate sensor type: Optical.-Audio formats supported: 3GA, AAC, AMR, AWB, M4A, MP3, OGA, OGG, WAV.-AI assistant: Google Gemini.-Military certificate: MIL-STD-810H.-Mobile network connection: No.-Wi-Fi standards: 802.11a, 802.11b, 802.11g, Wi-Fi 4 (802.11n).-Bluetooth version: 5.3.-Battery type: Built-in battery.-Battery capacity: 325 mAh.-Width: 40.4 mm.-Depth: 42.7 mm.-Weight: 30 g