The EW57 Clip-on True Wireless Bluetooth Headset features an innovative open clip-on design, providing a secure and comfortable fit for daily use, commuting, and long listening sessions. Powered by Bluetooth 5.3 with the Blue Trum 8926B2 chip, it ensures stable connectivity, efficient transmission, and smooth audio performance across devices.

With a 450mAh charging case and 70mAh earbuds, the EW57 delivers up to 11 hours of continuous use, complemented by master-slave switching for seamless left/right earbud transitions. It also supports convenient functions such as up/down track switching and Siri voice assistant summoning, enhancing hands-free usability. Designed at a lightweight 62.8g, it is ideal for on-the-go audio.

Key Features:

• Bluetooth Version: 5.3 (Blue Trum 8926B2 chip)

• Battery: 450mAh charging case; 70mAh earbuds

• Usage Time: Up to 11 hours

• Design: Open clip-on TWS earphones

• Functions: Master-slave switching, track switching, Siri support

• Size: 74 × 45 × 40 mm

• Total Weight: 62.8 g

• Standby Time: Not clearly defined (manufacturer listed “4”)