Bluetooth Smart Watch with Heart Rate Monitor and Call Function Stay connected and active with our Bluetooth Smart Watch. Full Touch Screen Featuring a 1.44-inch TFT full touch display with a resolution of 128x128 pixels, this smartwatch offers a clear and responsive screen. Health and Fitness Tracking Track your sports performance, monitor daily activity and sleep with the built-in heart rate sensor. It includes multi-sport modes like running, jumping jacks, sit-ups, and walking. Smart Connectivity View SMS, calls, and social media activity directly on the watch. Make Bluetooth calls with the built-in speaker and microphone, and remotely control your smartphone's camera and music. Comfortable Fit The strap fits a circumference of at least 14 cm and up to 20.5 cm, providing a comfortable fit for most users. Long Battery Life Powered by a 150 mAh rechargeable battery, the watch offers up to 30 hours of working time per charge. Specifications: - USB charging cable: included - Battery: Built-in rechargeable 150 mAh - GPS: No - 24H Clock: Yes - Apple Health support: No - Charging method: Special USB charger - Battery type: Lithium Polymer - Battery voltage: 3.7 volts - Blood oxygen sensor: No - Blood pressure sensor: No - Bluetooth: Yes - Bluetooth version: 5.0 - Camera shutter: Yes - Chipset: N/A - Screen size: 1.44 inches - Screen type: Color TFT - Google Fit support: No - Heart rate sensor: Yes - Built-in microphone: Yes - Music control: Yes - Notifications: Yes - Pedometer: Yes - Built-in speaker: Yes - Temperature sensor: No - Vibration: Yes - Water and splash resistant: No