CD20 Global version Supported frequency bands: 2G network :GSM:B2/3/5/8 3G network: WCDMA:B1/2/4/5/8 4G network: LTE:B1/B2/B3/4/B5/B7/B8/B12/B17/B20.....
HK10 pro max Smartwatch chatGPT 3D menu AMOLED screen series 10 smart watch communicate by telephone Supports Bluetooth calls Music function Can play ...