Reminder: Lithium battery will swell when the battery is transported. The surface and side of the product may be scratched due to testing requirements. This is a normal range. If you mind, please buy with caution! 【The main function】 Multifunctional smart watch: dial via watch SIM card or Bluetooth, pedometer, calorie calculation, sedentary reminder, sleep monitoring, message reminder (notification from text, phone and other applications), camera controller, music player, alarm clock , Anti-lost device, tape recorder, etc. After using the smart watch, this Bluetooth watch will make your life easier and more convenient. Long lasting battery: larger capacity, longer service life. It only takes about half an hour to fully charge, and the standby time can reach 5-7 days after fully charged. Extensive compatibility and stable connection: Smart Watch uses Bluetooth V3.0 technology to connect to mobile phones. The maximum connection range of 33ft ensures low signal delay. Comfortable and durable Bluetooth smart watch: stainless steel surface, precise lamination process, nano TPU85 material strap, sweat-proof matte treatment, ergonomic convex design and soft strap, making it more comfortable to wear. Unique waterproof design, suitable for outdoor activities. The smart watch is also equipped with a 1.22-inch IPS LCD 2.5D arc capacitive touch screen with a resolution of 240 * 240 pixels, making the screen clear and bright. 【specification】 1 CPU (running memory) MTK6261-D 2 RAM/ROM MTK6261 (built-in) -32 + 32MB 3 *Memory card supports TF card (maximum 32GB) 4 * 2G GSM 850/900/1800 / 1900MHz 5 * Camera 0.3 MP 6 *Screen size 1.54 inch / 1.52 inch LCD 7 * Resolution 240 * 240 pixels 8 * Touch screen capacitive touch screen 9 *Entertainment support microphone, pedometer, camera, prevent loss 10 *Support microphone, pedometer, camera, prevent loss 11 *Add function phone book, call reminder 12 * Push function WeChat, information, etc. 13 *Bluetooth BT Ver 3.0 14 *Phone supports 2G network 15 * I/O micro USB interface, USB headset, TF card slot, SIM card slot 16*Adapter DC5V / 2A (Micro USB port) 17 * Battery capacity 3.7V / 380 mAh lithium ion battery 18 *Standby time 4.5 days 19 *Material zinc alloy