4G SIM スマートウォッチ

Outdoor 4G Rugged Smart Watch Key Features 4G Independent Call & BT5.2 Dual Connection - Powered by Zhanrui 8541 quad-core chip running Android 8.1 OS, with 2GB DDR3 RAM + 16GB large ROM. Supports Nano 4G SIM standalone network & one-click BT V4.2 pairing, built-in waterproof speaker and MIC for ...