Calus Blue P15 Wireless in-Ear Earbuds With a Metallic Casing. Earbuds

Connectivity: Utilizes Bluetooth technology (some sources mention version 5.1 or 5.3) for a stable, fast, and wireless connection. They are universally compatible with a wide range of Bluetooth-enabled devices, including Android and iOS smartphones. Audio Quality: Marketed as offering Hi-Fi surround sound quality with deep bass. Battery Life: The earbuds provide approximately 5 hours of listening time on a single charge. The included charging case offers additional charges, extending the total standby time to over 20 hours. Design & Controls: They feature a lightweight, ergonomic in-ear design intended for comfortable and secure wear. The earbuds incorporate touch-sensitive controls for managing music playback, volume, answering calls, and activating voice assistants.