General description: Menu (2 recitals) and application in Polish. Multi-touch TFT IPS full round display. 1.69" high resolution: 240 x 280 pixels. Discs: 5 optional themes plus discs to download in the app. Animated graphics. Bluetooth call with built-in microphone and speaker. New feature: the ability to quickly turn on and off the Bluetooth call function on a smartphone. Receive and make calls with call list processor: Realtek 8762DK, Bluetooth 4.0/5.1. Waterproof solution: IP67 metal alloy case, coated with IPS/IPG method, nickel-free. Hypoallergenic. Changeable band (20 mm). 2.5D Super Battery mineral plate: 210 mAh. Compatibility with iOS and Android software: Dafit. Dimensions: Cover: 37 mm x 48 mm x 12 mm. Case and/or strap width: 20 mm. Color: Cover: Black, Strap: Black. Functions: 7 sports modes, respiratory training, chronometer, calorie counter, arterial measurement (pulsometer), blood pressure measurement, blood oxygen measurement (pulsometer), body temperature measurement (digital thermometer), menstrual cycle monitoring, water drinking reminder, traffic notification, incoming messages: Facebook, SMS, Twitter, WhatsApp, etc. Alarm/alert/timer, weather information, remote control, photo, torch mode, MP3 smartphone player control, find device. Included in delivery: Smart Cotton with steel wristband (1 piece), USB charging cable, instructions, application tool: Dafit.