Watch GT08 Bluetooth with 16GB SD Card and SIM Card Slot for Android Samsung S5 S6 Note 4 5 HTC Sony LG and iPhone 5 5S 6 6 Plus Smartphones (Sliver) COMPATIBILITY - Samsung, HTC, Sony, LG, HUAWEI, ZTE, OPPO, XIAOMI(Attention for iphone 7, iPhone 6, iPhone 6 plus, iPhone 5, iPhone 5s , iPhone 4, iPhone 4s, this APP can' t be installed by iOS, Our watch can only receive and make call after connect with iphone. Other functions are unavailable now for iphone!) MAIN FUNCTIONS - It runs Facebook, Twitter independently when you put SIM card and TF card in this watch. This watch Also have Pedometer, alarm clock, sleep monitor, sedentary remind, calendar, calculator, voice recorder, MP3, MP4, muti-timezone, muti-language, daylight saving time. USE AS A INDEPENDENT PHONE - If put SIM card in the watch, you can make phone call directly from the smart watch,including answering and dial-up. If not put SIM card, you can connect watch with phone by bluetooth, then you can make phone call, including answering and dial-up. SMART WATCH KIT CONTAINS - 1xGT08 Smart Watch, 1xSurprising Gift, 1x16GB KINGSTON SD Card, 1xScreen Protector, 3xSIM Card adaptor, 1xpin, 1xUser manual, 1xUSB cable, 1xElegant packing(ATTENTION: We MemawS are the exclusive supplier for our own brand watch, other sellers are illegal and unable to sell our watch. Don't be cheated!) 2 YEARS REPLACEMENT GUARANTEE- 24 hours online Customer Service,you are very welcome to contact us for any questions! 2 years free placement for following parts: battery, USB line, bracelet, Metal watch buckle. CLICK "Add to Cart" to START a wonderful Life!