HK21 Bluetooth Call Smartwatch And Pressure Multi Exercise Watch Features: Powerful chip upgradeEquipped with JL7012 wearable chip, whether it is processing or computing speed,N times than the general Bluetooth watch chip, ultra-low power consumption, strong battery life. pressure and oxygen measurements are at your fingertipsIt integrates various health management functions such as pressure monitoring, oxygen monitoring, scientific sleep management, etc. to keep abreast of body changes and physical and mental health without dead corners in 360 degrees. Main functions: Bluetooth call, voice control, information screen on, Alipay offline payment, stock market, games, sugar, NFC, stress test, breathing training, calendar, world clock, computer, password unlocking, custom dial, weather forecast, music control, step counting,, sleep, sedentary, mileage, oxygen, pressure, search, calories, message push. IP67 domestic waterproofWith excellent sealing performance, safe and reliable, bring excellent waterproof performance,Not easily cope with the of domestic water, but also resist the exerciseA lot of sweat, wear more comfortable Product languages: English, Simplified Chinese, Turkish, Russian, Spanish, Italian, Portuguese, German, French, Dutch, Polish, Czech, Hungarian, Slovak, Japanese, Denmark, Finland, Norway, Sweden, Thai, Hindi, Vietnam, Arabic, Indonesia, Hebrew, Bengali, Romania, Croatia, Malaysian Product Band size: 47.8 * 38.5 * 10.9mm Weight: 37g Screen size: 2.01 inches Battery type: lithium polymer Capacity: 250mAh Waterproof grade: IP67 Charging time: approximately 2 hours Battery life: approximately 5-7 days of use and 30 days of standby Wrist strap size: total length 220MM, adjustable length 145-190MM Appearance Material Main Body: Alloy+Tempered Glass Wrist Strap: Silicone Watch Strap Including: 1 * Smart Watch 1 * Charging Cable 1 * Instructions