Armani Touchscreen Smartwatch Collection| Unisex Smart Watch Gold on Black Leather| Activity Tracker: Yes| Battery Life: 24-48 Hours *Based on usuage| Rechargeable Battery| Compatibility: Android OS 4.4+, iPhone 5/iOS 8.2+| Connectivity: Bluetooth® Smart Enabled / 4.1 Low Energy| Heart Rate: No| Sleep Monitor: No| Interchangeable: Yes| Notifications: Yes| Touchscreen: Yes| ART5004