1. Display: A 15.6-inch display is common in HP 15 laptops. The resolution may vary, and some models may offer Full HD (1920 x 1080) resolution.

2. Processor: HP 15 laptops often come with various processor options, including Intel Core and AMD Ryzen processors. The specific model will determine the performance capabilities.

3. Memory (RAM): RAM configurations can vary, typically ranging from 4GB to 16GB, depending on the specific model and configuration.

4. Storage: HP 15 laptops may offer a range of storage options, including HDDs (Hard Disk Drives) or SSDs (Solid State Drives), with capacities ranging from 128GB to 1TB or more.

5. Operating System: HP laptops typically run Windows, and the specific version may depend on the model and release date. Newer models might come with the latest version of Windows.

6. Graphics: Integrated or dedicated graphics options may be available, depending on the model. Some models might have AMD Radeon or NVIDIA GeForce graphics.

7. Ports: HP 15 laptops generally come equipped with a variety of ports, including USB Type-A and Type-C ports, HDMI, audio jacks, and an SD card reader.

8. Wireless Connectivity: Wi-Fi and Bluetooth capabilities are standard, providing wireless connectivity.

9. Battery Life: Battery life can vary, but HP laptops typically aim for a balance between performance and battery efficiency.

10. Design: The design may vary, but HP laptops often have a sleek and modern aesthetic.

11. Webcam: HP laptops usually come with an integrated webcam and microphone for video conferencing and online communication.

It's important to note that the specific features and specifications of an HP 15 laptop can vary significantly based on the model and configuration. For the most accurate and up-to-date information, I recommend checking the official HP website or contacting an authorized HP retailer.