HT25 Fashion Couple Smart Watch Bluetooth Call Health Monitor Band - Blue Support Bluetooth calls and music playback Built-in dials: 7 built-in dials, supports custom dials, and supports dial downloads Basic functions: weather, sleep, heart rate, blood oxygen, blood pressure, alarm clock, sedentary reminder, alarm clock reminder, music control, remote photography, messages, search for mobile phone, search for bracelet Health management: exercise monitoring, sleep monitoring, heart rate detection, blood pressure detection, breathing exercise Sports mode: 123 sports modes on the watch WeChat Sports: Synchronize watch exercise steps to WeChat Sports rankings Message and call reminder: phone, SMS, WeChat, QQ, WhatsApp, Line, Facebook, Facebook messenger, Kaokao, Twitter, Skype Firmware upgrade: Watch firmware can be upgraded over the air through the APP Specification: Product size 45x13.7mm Case material plastic cement Strap specifications 16mm silicone strap (detachable and replaceable) product weight 41g waterproof level IP67 Bluetooth distance 5-7 days (depending on the usage scenario) Endurance ¡Ü2h Charging time Android 5.0 or IOS 8.2 or above supports Bluetooth 5.0BLE system With smart phone system Da Fit Watch language Chinese, Traditional Chinese, English, German, Korean, Spanish, Japanese, French, Russian, Arabic, Ukrainian, Italy, Portugal CPU JL 7013A6 Plug in Flash 128MB heart rate chip HRS3605 Accelerometer DA267-LGA12 Bluetooth BLE5.0 Display 1.27 inch ST77916, 360x360 Battery 300mAh polymer battery Charging mode Da Fit APP name USB magnetic charging Basic function Weather, sleep, heart rate, blood oxygen, blood pressure, alarm clock, sedentary reminder, alarm clock reminder, music control, remote capture, messages, Alipay, mobile phones, bracelets Package included: 1 x Smart Watch 1 x Cable 1 x English and Chinese User Manual Other things not included