Calus Enc-2pro Wireless Earbuds.

Sound Quality: The earbuds offer Hi-Fi surround sound quality with balanced bass and crisp treble. Connectivity: They use Bluetooth technology (versions 5.0/5.1/5.3 depending on the specific product batch) for stable and fast wireless connections and instant pairing with devices. Noise Cancellation: Equipped with ENC technology to reduce background noise for clearer calls and immersive audio. Battery Life: The packaging indicates 5 hours of listening time and over 20 hours of standby time, with the compact charging case providing extra power. Controls: The earbuds feature responsive touch controls for managing music, calls, and voice assistants. Durability: They are often described as sweatproof or having an IPX4/IPX5 water resistance rating.