Features: [BT Call] With built-in speaker and microphone, you can make phone call directly on the watch, in which contacts and call records can also be checked. [Two Music Modes] Music can be stored independently on the watch. You can choose to listen to phone music or watch local music, both of which allows you to control playback from your wrist. BT headset is also supported. [Health Monitor] Automatically monitor and record your heart rate, blood pressure, blood oxygen and sleep data, helping you adjust yourself for a healthier lifestyle. [HD Display] 1.69-inch HD screen with 240*280 resolution, makes the display clear and true-to-life with vivid colors, ensuring smooth readability. [User-Defined Watch Faces] The dial market provides a variety of stylish and colorful watch faces to match your mood. You can also custom dial with your favorite pictures. [Fitness Activity Tracker] GTS 2 features 15 goal-based exercise modes, and it can accurately record your all-day sports data, including step, distance and calories. [IP67 Waterproof] Based on IP67 waterproof level, GTS 2 can effectively prevent sweat or rain drops from splashing, meeting daily waterproof needs, making you more at ease. [Smart Reminder] After connected to the phone, it will offer synchronous display of message, call or social APP to remind you of important information. [Long-Lasting Battery Life] A fully-optimized battery management system provides up to 15 days of battery life for daily use, farewell to frequent charging. [More functions] Weather, Stopwatch, Alarm clock, Remote camera, Music Control, Find phone, Sedentary reminder, Turn wrist detection, Brightness adjustment, Goal celebration, etc. Parameters: Screen: 1.69-inch full-touch screen Resolution: 240 * 280px BT: 5.0 Compatibility: Android 4.4 and above or iOS 9.0 and above Battery Capacity: 210mAh Charging Time: about 1.5H Standby Time: 15 days (Power-saving Scenario); 7 days (Typical Usage Scenario) App: Funkeep Language: English, Japanese, French, German, Russian, Italian, Portuguese, Spanish, Thai, Greek, Turkish, Dutch