Smart Watch GT08 Clock Sync Notifier Support Sim Card Bluetooth Connectivity for Apple iphone Android Phone Smartwatch (Black) CPU: 533MHz MTK6260A Memory:128M+64M TF Card: Support max 32GB TF card Display: 1.54" inch TFT HD LCD, Resolution ratio: 240*240 pixel Bluetooth: Ver. 3.0 Camera: 2.0M Battery: 350mAh CONNECT TO ANY ANDROID PHONE: Sync your apps and contacts and receive notifications when you get a text, e-mail, Whatsapp, Facebook message, or phone call BLUETOOTH SMARTPHONE MATE:Without SIM card,you also could use it connect and communicate with the smartphone through Bluetooth,make Hands-free phone call, reading the message from your smartphone(SMS, Twitter, Facebook), reminds you the Missing call & Messages when you are busy around. Others:Anti-lost, Remote Capture, Calendar, Audio and Video Player, FM Radio 1-3 month warranty