Efanr GV18 Bluetooth Smart Watch Phone Mate Bracelet Wristband Activity Sport Exercise Fitness Sleep Tracker Pedometer Camera Support NFC SIM card for iPhone Samsung Android Smartphones -Black This smartwatch only support android Smart Phone Bluetooth Sync and only has android app, Do not support iPhone IOS Bluetooth sync. All functions are compatible with andriod 4.3+ smartphones; For iPhone,it only supports part of the function, such as answer & call, phone book, music play, camera, clock, pedometer, phone anti-lost alert. Still not support SMS, Radio, remote camera control, sleep monitoring, etc Photograph: watch photograph; local memory storage; image display: PNG, JPG Camera watch mobile phone to mobile phone remote control; storage; image display: PNG, JPG Compass: support Other functions: alarm clock; calendar stopwatch; calculator; Bluetooth push information: QQ, Twitter, Facebook, micro letter timely information; message push; news client information, system configuration information; schedule; synchronization settings remind; time synchronization; Can use this watch as a phone with an active sim card! Features: GSM 850/900/1800/1900 MHz , Single Micro SIM Card CPU: 533MHz MTK6260A Memory: 128M+64M, Suport Tf card Maximum 32G Display: 1.5'' inch TFT HD LCD; 240*240 px Bluetooth: V3.0 Camera: 1.3M Battery: 450mAh Polymer Acceleration sensor: 3D acceleration, step counting analysis sedentary reminder, sleep monitor, Anti lost, remote camera NFC Support: Adapt automatically and data sync language: English,French,Espanol,polski,Italiano,Portuguese,Deutsch,Dutch,Turkey,Russian Call function: GSM/GPRS 850/900/1800/1900 four frequency call; Dial, hands-free, phone records, phone book; Bluetooth headset; Message: local SMS; SMS Bluetooth synchronization push; Entertainment: MP3, MP4, AVI format for local playback; Bluetooth music player; Reminder: the bell and vibrating alert; The clock display: 3 sets of clock display, click the heart free switch; switch; Bidirectional anti lost: anti lost to remind; bidirectional search; Pedometer: exercise step counting, calorie consumption calculation, the movement distance record; Remind: Sedentary long seat to remind; Sleep monitoring: monitoring the quality of sleep;