Most combine Bluetooth streaming with traditional radio tuners (FM/AM) and also provide wired or removable-source inputs such as a 3.5mm aux, USB, CD, or TF/microSD card slots so you can play audio from phones or storage devices.

They commonly use digital or LED displays and usually include adjustable brightness or multiple brightness levels; some models offer dimmable clock faces or a mirror-style display when turned off.

Wake options include radio, CD, USB, alarm tones, or streamed music. Many units also include sleep/wind-down aids such as natural ambient sounds, ambient light rings, or sunrise-simulation lighting to help users fall asleep and wake more gently.

Dimensions vary widely across listings: heights span roughly 2.48 to 11.42 inches and widths about 1.8 to 14.84 inches, reflecting compact bedside units up to larger tabletop models.

A few listings provide numeric power outputs (for example, 2×5W RMS or a single 5W RMS figure). However, many descriptions only note built-in speakers or qualitative terms like “big” or “vibrant” sound without specifying wattage or technical output figures.

Some models include built-in voice-assistant support and voice control for routines and display controls. A few also offer Wi‑Fi for streaming and time syncing, plus multiroom streaming capability on select units.