Nutikellad

✔Display: AMOLED, 416 x 416 pixels
✔Battery: 280mAh, 336 Hours of usage time
✔Waterproof: 5 ATM Waterproof grade
✔Sensors: Heart rate monitor, Digital compass, Accelerometer

✔Battery: 720 Hours of battery life, 300mAh battery capacity
✔Connection: Bluetooth version 5.0
✔Display: AMOLED, 390 x 450 pixels
✔Built-in microphone: Yes

✔Battery: 720 Hours of battery life, 300mAh battery capacity
✔Connection: Bluetooth version 5.0
✔Display: AMOLED, 390 x 450 pixels
✔Built-in microphone: Yes

✔Processor: Dialog DA14697 0.1 GHz, Cortex M33F, Cortex M0+
✔Display: 1.55 inch, 306 x 354 pixel 301 PPI, full touchscreen, AMOLED
✔Connection: Audio Connections, Brightness Sensor, Sensors: Huami BioTracker 2 PPG sensor, acceleration sensor, gyroscope sensor, geomagnetic sensor
✔Battery: 220 mAh Lithium-Ion

✔ T-Rex Ultra supports freediving at up to 30m and dual band GPS
✔ T-Rex Ultra comes with a 500mAh battery that charges via a proprietary magnetic cradle
✔ The watch brings Bluetooth 5.0 LE and Wi-Fi connectivity and boots Zepp OS 2.0 out the box
✔ The watch can also survive in extreme temperatures as low as -30°C and up to +70°C

✔ Up to 7 Days of Battery Life
✔ On-Wrist Heart Rate Monitor & ECG App
✔ Monitor Stress with EDA Scans
✔ Track Sleep, SpO2, HRV, Breathing & More
✔ Built-In GPS Navigation & Route Planning
✔ 20 Different Exercise Modes
✔ SmartTrack Automatic Exercise Detection
✔ Swimproof Water Resistance up to 164'
✔ Receive Call, Text & App Notifications

✔Bluetooth, GPS
✔Heart Rate, VO2 Max
✔Full-Color 1.75" Display, 398 x 450 pixels
✔Water Resistance

✔LTPO OLED Always-On Retina Display
✔Measure Blood Oxygen Levels
✔View Your VO2 Max
✔Digital Crown with Haptic Feedback

✔Sim-type: No SIM
✔Connectivity: Bluetooth
✔Sensors: Accelerometer, heart rate, SpO2
✔Display Size: 1.83 inches, 280 x 240 pixels