Calus Bottle 2 Wireless Earbuds.

Brand and Model: Calus Bottle 2. Connectivity: They utilize Bluetooth version 5.3 technology for stable and fast connections. Sound Quality: The earbuds are designed to deliver Hi-Fi surround sound quality. Battery Life: The packaging advertises approximately 8 hours of listening time and 35+ hours of standby time. Design: The product features a unique bottle-shaped charging case and a sleek design. Controls: Calus earbuds typically include touch controls for managing music and calls.