The Porodo Nebula Smart Watch is designed with a black dial and a matching black silicone band. It is housed in a magnificent zinc alloy case. Its 1.43" AMOLED screen offers a super-clear resolution. With 128MB of flash memory and a 260mAh battery, it can work for up to 3 days with Bluetooth or up to 7 days without it. The watch includes an advanced G-sensor and IC sensor and supports Bluetooth V3.0 and V5.0. It's also water-resistant to IP67 standards and compatible with Android 5.0+ and iOS 9.0+, making it perfect for everyday use.Specifications Watch Case: Zink Alloy Screen Size: 1.43" Screen Resolution: Amoled 466 x 466 Flash Memory: 128MB Charging Time: 2-3H Working Time: 2 To 3 Days (Bluetooth) / 5 To 7 Days (Without Bluetooth) Battery Capacity: 260mAh Lithium Polymer G-Sensor: SC7A20E IC Sensor: Tianyi Hexin 3605 Bluetooth: V3.0, V5.0 Water Resistant Level: IP67 Compatibility: Android 5.0 And Above, iOS 9.0 And Above