Body Material Zinc Alloy + Iml Injection Process Strap Material Liquid Silicone Bluetooth Blueteeth5.2 Screen Size 1.72 Inch Resolution 320* 320 Battery Capacity 200mah Compatible I0s10.0 Or Above/android 5.0 Or Above Adaptation Method Can Be Used Independently Or Connected To Wearfit Pro App At The Same Time Smart Watch With Highesolution Display Heart Beat Detect Smart Watch