Freestep DZ09 Bluetooth Smart Watch WristWatch Sim Insert Anti-lost Call Reminder Phone Mate (Bronze) HD display: High sensitive capacitive touch screen;perfect match technology Phone function: Make phone call directly from the smart watch,including answering and dial-up.SIM slot,support make calls by Bluetooth or smart watch GSM850/900/1800/1900 four frequency call function call, hands-free, phone records, phone book, Bluetooth phone TTHigh-quality silicone wristbands, user-friendly perspiration ventilation holes, a good skin-friendly, smart watches and your intimacy, elegant design, high-grade generous appearance, so you enjoy them Maximum compatibility. All Android Smartphones and Android Tablet PC. Such as Samsung, HTC, Sony, LG, HUAWEI, ZTE, OPPO, XIAOMI, and so on. Android Tablet PC: Samsung, Nexus, Onda, Newsmy, and so on