Smart Watch Fitness Tracker, 321OU Bluetooth Smart Watch Touchscreen Smartwatch with SIM SD Card Slot Camera Call/Message Reminder Pedometer Music Player Compatible Android and iOS Phone (Black) THE LATEST SMART WATCH - Stainless steel surface, Precision laminating process, Nano TPU85 material strap, anti-sweat matte surface treatment, ergonomic convex design and soft strap which make wearing more comfortable. We will offer you Lifetime Warranty of our smart watch, so just purchase it without any worries. Just try it. MULTI-FUNCTION SMART WATCH - Pedometer, Calories Calculation, Sedentary remind, Sleep monitoring, Remote photos, Music playing, Alarm clock, Two-way anti lost remind, voice recorder, muti-timezone, muti-language. Connect the smart watch with your phone by via bluetooth, download the APP, so you can read Whatsapp,Twitter,Facebook and other application push messages, view and reply text messages. ANDROID AND IOS PHONES COMPATIBLE - This smart watch is compatible with all Bluetooth enabled smartphones including Android and IOS phones. IOS phones such as iPhone X/8/8 Plus/7/7 Plus/6/6 Plus/6s/5/5s/SE; Android phones such as Samsung Galaxy S8/S8 Plus/S7/ S7 Edge/S6/S6 Edge/S5/S4/S3, Samsung Note 5/4/3/2, SONY, HTC, Huawei, Xiaomi, ZTE, Lenovo, OPPO,LG smart phones. TWO WORKING MODEL - Bluetooth model: Connect the smart wrist watch to your phone via bluetooth, then you can make phone call, including answering and dial-up, view and reply text messages, view app notifications and so on; SIM card model: If you install a GSM 2G/2.5G Network SIM Card into the smart watch, you can make phone call directly from the smart watch, including answering and dial-up, send/reply messages,take pictures, play music etc.. HD DISPLAY & BATTERY LIFE - Highly sensitive capacitive Full round face 1.54 inch curved IPS HD touch screen display with 240 * 240 resolution smart watch. 500mAH lithium battery,average using time is 2 days. Full charge just need about 45 minutes. Best smart watch best gift for you and your lovers.