HW22 Pro Max Smart Watch Always-on Display Wireless Charger 44mm Series 6 Bluetooth Call Smartwatch men for IOS AndroidNOTE:HW22 is Magnetic charger, 1.75" Screen.Single buttonHW22 Pro is Wireless Charger, 1.75" Screen.double buttonHW22 PRO MAX is Wireless Charger, 1.78" Screen.double buttonHW22 PRO..