K57 Pro 1.96 Inch Bluetooth Call Music Weather Display Waterproof Smart Watch, Color: Black Leather

The K57 Pro is a smart watch designed for everyday use. It features Bluetooth connectivity and a waterproof design.

• Product type: Smart Watches
• Compatibility: Android 4.4 and above, iOS 8.0 and above
• Material: Black Leather
• Key feature: Waterproof
• Color/Variant: Black Leather
• Supported systems: Android 4.4 and above, iOS 8.0 and above
• Supported languages: English, Chinese, Japanese, German, French, Spanish, Arabic, Russian, Ukrainian, Portuguese
• Functions: time display, step counting, calories, distance, heart rate, blood pressure, blood oxygen, on/off display, stopwatch, multi-sport mode, incoming call notification, information reminder, multi-language push, alarm clock reminder, remote photography, sedentary reminder, sleep monitoring (sleep time, sleep quality)
• Main control chip: Realtek 8763EWE
• Memory: Flash 128MB
• Screen: 1.96-inch IPS square screen with full viewing angle
• Screen resolution: 320 x 386
• Bluetooth version: 5.0
• Heart rate: 3605
• Speaker: 0916
• Battery capacity: 400 mAh
• Standby time: about 30 days
• Working time: about 5-10 days
• Motor: built-in, vibration reminder