Screen type: Full Touch Screen Resolution: 320 x 320 p Case Material: zinc alloy Strap Material: silicone Bluetooth-compatible: 5.0 Bluetooth Call Battery Life: 1-3 Days Battery Charging Time: 2-3 Hours Charging Way: Cable Vibrating Motor: Support Bluetooth push: Short Message WeChat QQ News System requirements: Android 5.0+ / IOS 9.0+ Dimensions: 38.5 x 44.5 x 14mm Watch Weight: 200g