• Bluetooth music function, connect to your phone, put on your watch to exercise, and enjoy beautiful music, you can quickly switch songs and pause music on the watch
• High-precision optical heart rate sensor and smart algorithm. More accurate and faster heart rate monitoring, Allows you to check your physical and mental health at any time
• IP67 life waterproof, splash-proof, hand-washing and other life scenes wear worry-free use, no need to take off the watch
• Using magnetic charging cable, automatic adsorption for charging, 2 hours fast full charge, full battery life use 3-7 days

Specification:

• Model: NK21
• Strap material: Silicone strap
• Bluetooth: Bluetooth5.0
• Shell material: zinc alloy + plastic
• Operation mode: multi-touch + physical buttons
• Battery capacity: 220mAh
• Display: 1.72-inch square color screen, resolution 240*280
• Charging method: Magnetic charging
• Charging time: 2 hours
• Waterproof grade: IP67
• Watch display language: Chinese, English, Russian, Spanish, Portuguese, French, Japanese
• Watch push languages: English, German, French, Italian, Greek Latin, Spanish, Portuguese, Romanian, Polish, Russian, Ukrainian, Belarusian, Bulgarian, Serbian, Macedonian, Croatian, Bosnian, Thai, Hindi, Sanskrit, Nepali, Cambodian, Vietnamese, Lao, Persian, Kurdish, Pashto, Punjabi, Turkic, Berber English, Malay, Turkish