Description:Name: Smart Watch with EarbudsColor: Black, silver;Bracelet size: 270mmx52mmx15.5mm;Weight: 75g;Appearance material: Alloy +PC;Charging time: 2-3 hours;Watch use time: 7-10 days;Waterproof class: IP67;Flash memory: 128MB;Watch battery capacity: 3.7V/400mAh;Main chip: Realtek 8763EWE+TWS;Flash memory: 128M;Acceleration sensor: SC7A20;Screen: HD;Screen size: 1.46 inch resolution 360x360;Blood oxygen: dynamic measurement;Dynamic heart rate: Exercise heart rate curve,3605;Touch: screen touch;NFC: Support;Magnetic data line charging: 5V/250MA;Watch wireless: 5.2;Headset wireless: network chip, 5.0, compatible for ios 9.0 or above, Android 4.4 and later versions;Headphone battery: 30 mah;Headset playback time: 5 hours;UI style: 8 sets of styles;Other functions: music playback, pedometer/calories, sleep, vibration motor, alarm clock reminder, dial call, call rejection, stopwatch, multi-sport mode, sedentary, call, other push, dynamic heart rate, remote photo, dial selection, remote control music, air upgrade;App Language: Arabic, Bulgarian, Czech, Danish, German, Spanish, Finnish, French, Hindi, Croatian, Indonesian, Italian, Japanese, Korean, Dutch, Polish, Portuguese, Romanian, Russian, Swedish, Thai, Ukrainian, Vietnamese, Chinese, English, Traditional Chinese;Watch (default 13 languages) : Chinese, Traditional Chinese, English, German, Korean, Spanish, Japanese, French, Russian, Arabic, Ukrainian, Italian, Portuguese;Packing list:1 x smart watch2 x headphones1 x USB cable1 x instruction manual1 x packaging box