To browse the internet:SmartphoneTabletLaptopSmartwatch (some models)Pocket WiFi + any device with WiFi capabilityTo make it as a wristwatch:SmartwatchFitness tracker (with clock feature)Wearable phone/watch (e.g., Apple Watch, Samsung Galaxy Watch)To capture photo:SmartphoneTablet (with built-in camera)Digital cameraSmartwatch (with camera, e.g., some kids' models)Laptop (with webcam, for simple photo capture)