TOZO E1 wireless earbuds feature 6mm drivers and a built-in microphone for clear calls and immersive audio with deep bass. Weighing just 3.9g per bud, their ergonomic design ensures all-day comfort and a secure fit. Each 40mAh earbud provides 8.5 hours of playback, and with case swaps, total playtime reaches 60 hours—enough for about 900 songs. Charging is via USB-A to USB-C, with a three-color battery indicator for easy power monitoring. The TOZO app offers adjustable EQ settings, including bass and music style customization, and lets you share your presets with other audiophiles. Bluetooth 5.3 enables fast pairing and stable transmission.