**Product Specifications:**
**Brand:** Keep
**Model:** B4 Lite
**Screen Display:** 1.47" Full Color Screen
**Waterproof Level:** 5 ATM
**Charging Method:** Magnetic suction contact
**Sensors:** Optical heart rate blood oxygen sensor, accelerometer, gyroscope
**Compatible Systems:** Android 9.0 or above, iOS 11.0 or above
**Input:** 5V 1A Max
**Operating Temperature:** 0°C to 45°C
**Battery Capacity:** 160mAh
**Package Contents:** 1 x Smart Bracelet, 1 x Charging Cable, 1 x User Manual
*Note:*
1. Images displayed are for illustrative purposes and may not reflect the actual product structure. Please refer to the physical product for accuracy.
2. Due to variations in lighting, background, and display screens, slight color discrepancies may occur in images. Please refer to the physical product for accurate color representation.
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