Features: 1. Ultra-thin HD watch: 240*283 resolution 2. Custom dials, multi-dials, dynamic dials 3. Support GPS, 20 days long battery life Item Type: Fashion Square Smart Watch Material: PC+ Stainless steel MCU: GR5515 Dimension: 44*48*12.5mm Wrist Size: 155-220mm Display: 1.52 inch TFT color square screen Battery: 580mAH Li-polymer battery Charging Port: Magnetic charging Charging Time: About 2 hours Weight: 55g Sensors: GPS, G-Sensor, Heart Rate, Accelerometer, Motor Resolution: 283*240 Battery Life: 7+ Days Waterproof Level: IP68 Bluetooth: BLE5.0 Supported Systems: IOS 10.0/Android 5.0 or above Package List: 1 x Smart Watch 1 x Watch Instruction Manual 1 x Gift Box Notes: 1. Do not press any buttons while underwater. 2. Do not take the rear cover apart by yourself. (The rear cover requires professional equipment to disassemble and install.) 3. Because of photograph light or other reasons, the picture and material object may have slight difference, please in kind prevail.