Description Bluetooth SmartBand Smart Watch Silver with Nano SIM Card for Fitness Tracker Compatible with Samsung LG Sony HTC HUAWEI Google Xiaomi Android Smart Phones for Women Men Kids Boys Girls (Silver)   Use as an Independent Phone – If you put a Nano SIM card in this savvy, you can make telephone calls specifically from the smartwatch, including noting and dial-up, you can likewise send and see instant messages by the savvy. We prescribe the T-portable GSM SIM card. Bluetooth Mode: You don’t have to put a SIM card into the savvy, you simply need to associate the watch with your Android cell phone by bluetooth, at that point you can influence calls, to answer calls, see SMS messages and messages for some APPs in your cell phone, (for example, Facebook, Whatsapp, Twitter, Wechat ect.) You don’t have to remove from your telephone from your pocket. it’s exceptionally helpful for your work and your life. We made a video in Youtube to demonstrate to associate the watch with portable phone. MAXIMUM COMPATIBILITY – Compatible with all Android & IOS telephone, for example, Apple, Samsung, Google, HTC, Sony, LG, Huawei, ZTE, Oppo, Xiomi, Lenovo and so on. It is 100% perfect with Android cell phones, Please Note: There’s no APP for iPhone 7, 7 or more, iPhone 6s, 6s or more, iPhone 6, iPhone 5s, iPhone 5, so adjust Message, synchronize notice, remote catch, Anti lost capacities not work for iPhone. Main Functions – Make calls/Answer calls, Send and view messages, match up calls, synchronize messages, notices (for Facebook, Twitter, Wechat, Whatsapp and so on) pedometer, rest checking, inactive remind, Image watcher, Sound recorder (require put a TF card ), Audio player, Remote catch, Alarm, Two way Anti-lost, Phone book, schedule, adding machine, world clock. HD Display – Full round screen savvy, High touchy capacitive touch screen, Perfect match innovation, Resolution proportion: 240×240 pixel