Amazfit GTS 4

Jam Tangan Amazfit GTS 4 Smartwatch AMOLED Smart Watch GPS Sport Feature Powered by Zepp OS 2.0 150+ Sports Modes & Strength Exercise Recognition | Dual-band Positioning & Route Import* Large AMOLED Display & Lightweight Design | Easy 24/7 Health Management | Bluetooth Phone Calls & Music Storage | Strong & Precise GPS Tracking and Navigation | The Ultimate Personal Assistant Amazon Alexa Built-in Offline Voice Assistant | Answer Bluetooth Phone Calls Specification Dimensions (without heart rate base) 42.7x36.5x9.9mm Weight (with strap): 27g Body Material: Aluminum alloy middle frame high-gloss sprayed PC bottom shell Buttons: 1 Water-resistance Grade 5 ATM Health BioTracker™ 4.0 PPG biometric sensor (supports blood-oxygen, 4PD + 2LED) Movement Acceleration sensor Gyroscope sensor Geomagnetic sensor Barometric altimeter Ambient light sensor Positioning Dual-band & 6 satellite positioning systems Connection WLAN 2.4GHz, Bluetooth 5.0 & BLE Display Material: AMOLED Size: 1.75" Resolution: 390x450 PPI: 341 Touchscreen Tempered glass anti-fingerprint coating Battery Capacity 300 mAh (rated value） Charging Method Magnetic charging Android 7.0 and above, iOS 12.0 and above Sports Modes: 154 Smart Recognition of 25 strength training movements Workout Status PeakBeats™ 8 sports movements 24H Monitoring Heart rate Blood-oxygen saturation Stress level Manual Measurement Heart rate Blood-oxygen saturation Stress level One-tap measurement Sleep Quality Monitoring Sleep stages (including REM) Daytime naps Sleep schedule Sleep breathing quality Sleep score Health Assessment System PAI Breathing Exercise: Support Menstrual Cycle Tracking: Support Health reminders Abnormally high & low heart rate Low blood-oxygen High stress level Prompts to perform Breathing Exercise