Use as an Independent Phone – You can use the smart watch to make calls and send text messages like a mobile phone, but you need to insert a GSM SIM card to the watch first. No need to pair with a mobile phone.
Work with A Mobile Phone: Check your updates and receive texts, messages and notifications of APPs (such as Facebook, Twitter, Wechat, Whatsapp). Make and reply calls without taking out your phone.
Maximum Compatibility – Compatible with all Android Phone & IOS phone, such as Apple, Samsung, Google, HTC, Sony, LG, Huawei, ZTE, Oppo, Xiomi, Lenovo etc. All features work with Android phones, partly features work with iPhone.