I will be shipping this item via Yu-Packet Post (mini), which offers anonymous delivery. I am not familiar with this type of product and cannot provide support or address any issues. Therefore, I am offering it at a lower price. Please purchase only if you understand this. *Opened for photography purposes. *This product is not an Apple product. Battery Capacity: 420mAh Waterproof Level: IP68, 3 ATM swimming Display: 1.96 inches, Resolution 240*282 Supported Mobile Versions: Android 4.4 or higher, iOS 9.0 or higher, 5s or later Standby Power Consumption: 50 days standby, typically 10 days use App: gloryfit Band Color: Black (resin) Languages: English, Chinese Functions: Heart rate monitoring, Bluetooth calls, SpO2, blood pressure, breathing exercises, voice assistant, raise hand to wake screen, SMS display, QQ/WeChat/Facebook/Line/WhatsApp and other reminders, 100+ multiple sports modes, weather, flashlight, clock display, alarm clock, SOS, games, calculator, women's menstrual cycle, music playback, multi-dial, remote photo, sleep monitoring, steps, distance, calories