Product details of Ultra 7-In-1 Smart Watch – 2.1 Inch HD Display With Bluetooth Calling and 7 Straps – Men’s and Women’s Multifunctional Smartwatch Ultra 7in1: Model y69 Ultra, Model i40 Ultra 2 suit System Compatibility: Works with IOS/Android systems Bluetooth Connectivity: Version 5.0 Battery Capacity: 200mAh Charging Interface: Utilizes Wireless Charging technology
