1.28 Inches Smart Bracelet Sleep Monitoring Heart Rate Blood Oxygen Monitor Call Smart Watch Sports Watch Waterproof Screen: 1.28 inches : Bluetooth5.0 Battery capacity: 220mAh Use time: about 5-7 days Charging method: special magnetic System version: Android 50 or above / Apple 8.0 or above Watch language: support multiple languages (change with phone language) Specifications: Using 1.28 inches, high-resolution TFT high-definition screen, the field of view is more natural, and the touch is smoother Imported chip, intelligent algorithm, automatic adjustment of power consumption mode, long battery life IP68 professional waterproof Using high-sensitivity noise-reducing microphones to make calls clearer and louder Sleep monitoring, scientific sleep Rich and exquisite dial, new trend on the wrist Remotely control mobile phone camera to take pictures Package Included: Watch*1 Manual *1 Charger*1