You need to use a sim card that matches the above bands so you can enjoy the convenience of wireless networking
* Connection: WIFI, GPS, GSM, Bluetooth
* WIFI: Support 2.4G You can use 2.4G Wi-Fi to connect Internet
* GPS: GPS support and compatible with GPS+GLONASS. You will never get lost.
* Displayer: 1.6 inch IPS full mount screen 400*400 resolution A large enough and clear round screen for a better view of the world
* Dual camera: dual camera for Side camera and Front camera, convenience for video call and Face ID verification
* Capacity: 1050MAH Polymer Li-Battery A largest watch battery, it can help you extend the time of your watch.(When selecting a specification, the maximum option is only greater than 450 mA. The actual battery capacity of the LEM14 is 1050 mAh)