Full HD Screen Bluetooth Calling Sports Bracelet

Product information:
Overview:
This smartwatch features a high-definition TFT screen and supports Bluetooth calling, heart rate monitoring, blood oxygen detection, and blood pressure measurement. With its waterproof design and a battery life of 7–14 days, it is an ideal companion for fitness and everyday use.

Specifications:
Main Chip: RTL8763EWE (Android 5.0 and above, iOS 8.0)
FLASH Memory: 128 MB
Bluetooth: BLE 5.2 / BT 5.2
Accelerometer: STK8321
Display: 1.27-inch TFT, 360x360 resolution
Touchscreen: Full-touch COF, Hailichuang 816D chip
Speaker: Impedance 8 ohms, max power 1W
Microphone: Supported (sensitivity 42 dB ± 3 dB)
Vibration Motor: Voltage range 1.3–2.8 V; start-up voltage ≤1.3 V; rated voltage 1.8 V
Heart Rate Sensor: Tianyi He Xin 3602
Battery: Rated voltage 3.7 V, charging cutoff voltage 4.35 V, capacity 280 mAh
Charging Management: Typical charging current 120 mA
Charger Specifications: DC 5 V input (current ≥ 0.1 A), withstands up to 6.5 V
Material: Metal