Compatible with Android 4.3 and ISO8.0 or above Heart rate sensor: green light dynamic Battery life: 7 days of use, 10 days of standby Main chip model: ARM-Cortex MO core DA14585 Button mode: Press the button Battery capacity: 90mAh Waterproof: IP67 waterproof Sensor: three-axis acceleration sensor Brand new high quality Screen display: 0.96" TFT Name: Color screen smart bracelet Bluetooth version: 4.0 BLE or above Green light dynamic: USB direct charging Action: Raise your hand and light up the screen Function: 1. Useful accessory: This watch can check your heart rate, blood pressure and blood oxygen level. 2. Multifunctional: This smart watch is designed with multiple sports modes and has a call reminder, message reminder, sleep monitoring and more. 3. Healthy life: This watch can remind you of sedentary, help cultivate a healthier lifestyle. 4. Suitable Occasions: This smart watch is great for everyday life, travel, work, party, hiking, camping, and so on. 5. Stylish: With a classic square dial design, this wristwatch is beautiful, fashionable and a great addition to your outfit. Package includes: 1 color screen smart bracelet Note: 1. There may be a little color distortion due to different computer resolutions. 2. There may be a little error due to different hand measurements.