Main Features: - Heart Rate Monitor Real-time monitor your heart rate, you can know your heartbeat condition at any time- Sleep Monitor your sleep time and quality, keep a beautiful skin state - Sports TrackRecord sports steps, distance, calories burned, etc. data, which lets you insist on sports every day - Call RemindRemind you with vibration in time even in a noisy environment - BLE 4.2With strong Bluetooth chip, the wristband can measure the data more accurately, low-power consumption- About Compatibility DescriptionsRemote camera function: Support iOS 8.0 / Android 4.4 smartphones with Bluetooth 4.2, based on the original software, but not necessarily compatible with other romantic photo softwareMusic player function: Support iOS 8.0 / Android 4.4 smartphones with Bluetooth 4.2, and native music player, including: Support the native music players conforming to the Google specifications Built-in music player of iOS os smartphones can just play downloaded music which has been added from iTunes.