Features & details 【Bluetooth Calling Smart Watch】- PunnkFunnk Wave Astra Smartwatch is enabled with 'Bluetooth Calling Function'. You can receive and make calls directly from your watch. This BT Calling smartwatch features a dial pad, option to access recent calls, message, Whatsapp and other notification & sync your phone’s contacts easily. 【Health Tracking】 - The Full Touch Smartwatch has 24*7 Heart Rate Tracking and also tracks your real time Blood Oxygen Spo2, Sleep Tracking, ECG Operating System: Android 5.0 & above; IOS 9.0 & above; Color Name: Orange; Compatible Devices: Smartphone & iphone; Connectivity Technology: Wireless; Band Color: Orange 【IP68 waterproof】