boAt Enigma X700

Display: 1.52" (466 x 466 Pixels) AMOLED Display, 600 nits Peak Brightness Battery: 390mAh up to 2 days on with BT calling, up to 7 days on normal mode Connectivity: Bluetooth V5.3 Material: Metal Strap OS: iOS 9 and Above, Android 6 and Above Special Features: Bluetooth Calling Sensor: Heart rate & SpO2 Others: 100+ Sports Modes, 100+ Watch Faces, Always On Display, IP67 Waterproof Exterior Color: Copper Black