Brand new, unused, compatible with iPhone & Android, with Japanese instruction manual. 【DIY Watch Face & Multi-functionality】 - The watch face of the smart watch is not fixed. You can not only choose from many watch faces, but also set your favorite photos as the watch face according to your preference. With a high resolution of 240*280 and a 1.69-inch full touch screen, even small characters are clearly displayed. The brightness can be easily adjusted in 5 levels depending on the ambient light. It also has convenient functions such as music control, find my phone, raise-to-wake, timer, stopwatch, data synchronization, and women's menstrual cycle management, making it easy to use for both men and women!! It further increases the efficiency of life and work, and makes daily life more convenient. 【Easy Sleep Management】 - The ID207 clearly shows the four stages of sleep (light, deep, awake, and REM patterns). Through the "VeryFit" app, it helps you establish a better lifestyle with comprehensive analysis and specific advice. From today, let's understand and manage your own sleep state with this smart watch! (Note: The sleep function only records sleep of 3 hours or more.) 【Long-lasting Battery & Convenient Notification Function】 - The smart watch is optimized for power consumption. The 300 mAh large-capacity battery can last for 7 days of use and 30 days of standby time after a full charge (2 hours). (Usage time may vary slightly depending on individual usage.) After connecting the smart watch to your smartphone, it vibrates to remind you of incoming calls and receive and read important SMS messages. You won't miss important messages or calls even in situations where you can't take out your smartphone, such as on a crowded train, during exercise, or during a meeting. (Supports Line, Twitter, Facebook (Meta), Instagram, etc.) You can also set a sleep mode and turn off "vibration" and "message notifications" before going to bed. (Note: Functions such as making or replying to calls are not available.) 【14 Sports Modes & 5ATM Waterproof】 - The fitness tracker for men and women supports 14 sports such as walking, running, cycling, yoga, training, and swimming. It can record all-day sports data such as steps, distance, and calories burned during exercise.