W800 UItra Smartwatch Description 1.Size:48.1*44*6*14mm 2.Strap meterial:Silica gel 3.Main screen:2.02-inch LCD 385*420 4.BT 4.0 5.0 support bluetooth call 5.Charging mode:Wireless Charging 6.Touch Screen:Full touch screen 7.Appearance material:Zinc alloy Smart Watch/APP Language: Chinese, English, Arabic, French, German, Spanish, Portuguese, Russian, Thai, Polish, Italian, Japanese, Czech, Turkish, Greek, Latin, Romanian, Vietnamese, Danish,ect. More functions: NFC,Custom components multi-lingual, Custom watch face, Breathing exercise, message reminder, call rejection. time alarm, mobile phone Rotate Button,music control, remote control camera, stopwatch, countdown,waterproof，find mobile phone, weather forecast, etc. How to use BT call: The Bluetooth call function requires dual Bluetooth signal support, so you need to connect twice according to the instructions: ①Scan the QR code on the manual through the mobile phone browser, download the dedicated app, and turn on the mobile phone BT. Find and connect the ola esporte device in the app. Confirm binding ②Find the device in the Bluetooth of the mobile phone (check the device name in the watch to check the device information), and qevila select the connection and pairing Support Bluetooth call： Mobile phone synchronization of frequently used contacts. So you can just use the watch to make call and answer.