HONOR Magic Watch 2, 46mm, Leather Strap, RAM : 32MB, ROM : 4GB, Audio & Speaker, Battery : 455mAh, Battery can last 2 weeks when: Worn 24 hours a day With heart rate monitoring enabled HUAWEI TruSleepTM enabled for sleeping 90 minutes of working out every week (GPS enabled) Message notifications enabled (50 SMS messages, 6 calls, and 3 alarms a day) Screen is turned on 200 times a day 30 minutes calling every week 30 minutes music playing every week Battery life may vary depending on usage, 1.39-inch AMOLED touch color screen, CPU : HUAWEI Kirin A1, Operating System : LiteOS, Compatible Phone System : Android 4.4 or later, iOS 9.0 or later, 5ATM water-resistant, Sensors : Accelerometer sensor, Gyroscope sensor Magnetometer sensor, Optical heart rate sensor Ambient light sensor, Barometer sensor, Capacitive sensor – Flax Brown Color