This Bluetooth 5.2 module is designed for in-ear monitors and features a waterproof ear hook for secure fit. It offers an extended battery life, making it suitable for long listening sessions. The device connects via a cable compatible with various models, including ZS10 PRO, ZSN Pro X, ZSN PRO, ZEX PRO, AS16 PRO, Zax, DQ6 Polaris, C12, and CRA PRO with C pin. It enhances wireless audio experience with stable connectivity and reliable performance.