Amazfit GTS 2 size 1.65 inches. The battery is continuously used for 7 days.

Smartwatch (smart watch Smartwatch) Square screen- Multi-Touch-screen touch- AMOLED screen size 1.65 inches- 35.6 mm wide (diagonally) x length 42.8 mm x thickness 9.7 mm- resolution 348 x 442 pixels, cases- aluminum material type- Colors to choose from (Colors) Black, Gold, Gray, Desert Gold, MIDNIGH Clock Strap- Silicone Strap Sensor (RGB Light Sensor) Optical Heart sensor Optical Heart Rate Sensor) (Control rotation and balance) (Gyroscope) detecting movement (Accelerometer) detecting electromagnetic waves (Electromagnetic Wave Sensor) Barometer | Air Pressure Sensor) Step Counter Following Sleep Monitoring Activities (Calories Burned) Distance Traveled) Notification (Notifications) Reply to Message (Reply to Message), answer the phone (Antwer the Phone), speaker, microphone. (Microphone) exercise (Gymkit) Control Music, about the Oxygen Saturation (Oxygen Saturation). Follow the Stress (All-Day Stress). See the Event Calendar. The voice replied is temporary. ) Running (Running) Swimming (SWIM) Yoga (Yoga) cycling (Cycle) mountain climbing (Climbing) walking (Walking) Fitness (Fitness) aerobic (Aerobic) triathlon (Triathlon) Ski (SKI) Time (TIME) Date (Date) Alarm Clock (Alarm Clock) (Stopwatch) Calendar (Calendar) Weather (Weather), music storage, finding mobile phones, summarizing daily activities (Daily Briefing) Operating System: Amazfit OS. Memory unit: Not specified. Bluetooth 5.0- support set. Stereo headphones (A2DP Bluetooth ™ Stereo) Battery- 7 days continuously.