Brightwrist Smartwatch (Satin Black on Silver) Brightwrist BW09PRO Bluetooth Smart Watch with Camera for Samsung S5 / Note 2 / 3 / 4, Nexus 6, Htc, Sony and Other Android Smartphones Compatibility: All Android and iOS Mobile Phone & Android Tablet PC. Android Mobile Phone: Samsung, HTC, Sony, LG, HUAWEI, ZTE, OPPO, XIAOMI, and so on. iOS Mobile Phone: iPhone 6, iPhone 6 plus, iPhone 5, iPhone 5s , iPhone 4, iPhone 4s (This APP can' t be installed by iOS, Apple system can' t sync SMS and Bluetooth push information, but other functions can be used by iPhone); Android Tablet PC: Samsung, Nexus, Onda, Newsmy, and so on. In addition to pairing our Smartwatch with most mobile phones and using as a companion . Our Smartwatch also has a Micro SIM Card slot that allows users to insert any GSM (850/900/1800/1900) SIM Card inside and use as a standalone mobile phone. Also it includes an SD memory slot for up to 32gb for saving all your pictures, musi Record HD audio, images and video directly from your Smartwatch.