System Requirements：android5.0+ / ios10.0+

Master chip：JL7012

Bracelet memory：128M

Bluetooth for calls：support

Bluetooth version：5.1

Screen display：1.53 inch

display screen： 240*240

Battery capacity：310mAh

APP..Product language :EN,Arabic,Czech,French,German,Indonesian,Italian,Japanese,Korean,Polish,Portuguese,Russian,Spanish,etc，Wait for 100+ countries...

after receive the watch ,please charging first.Because after a long period of logistics, the watch has a low battery.Before using, scan the QR code on the manual to download the app and connect it to the watch with APP.