SPI. X3 smart watch phone has MTK6261D single core CPU and supports Camera, Bluetooth, MP3, QQ, Sleep Monitor, Health Pedometer, Sleep Monitor, Sedentary Remind. The product has camera and supports TF card up to 32G extended. Features: 1.54mm touch screen, 240*240px LCD, capacitive screen with high sensitivity. MTK6261D Hardware platform, low-power dissipation. Support SIM card: 2G GSM 850/900/1800/1900MHz. With 1.3MP Camera for recording and photographing. RAM 32MB, support memory expansion up to 32GB. Built-in BT3.0, working range up to 10 meters. 350mAh lithium ion battery capacity. Supports for Android, iOS systems, easy to operate. Supports Sleep Monitor, Health Pedometer, Sleep Monitor, Sedentary Remind, etc.