CRY574Pro Bluetooth Dongle is a Bluetooth interface designed for the audio characteristics testing of Bluetooth speakers and Bluetooth headphones. It is suitable for R&D and production lines. It can be used with CRY6151 Electroacoustic Tester and any third party's test instruments. Users can control CRY574Pro Bluetooth Dongle through CRY6151 Bluetooth Test Software or independent CRY574Pro Software to perform the following: search, automatic pairing, MAC address matching; after successful pairing/matching, the following can be read: name of the Bluetooth device, MAC address, magnitude of power for RSSI, and volume. Furthermore, it also supports NFC reading and MAC burned-in-address of the Bluetooth device.

The CRY573 digital microphone converter converts the digital signal of the digital microphone into the analog signal output.Supports both PDM digital interface and I2S digital interface, supports a variety of sampling rates and operating levels.

• It includes two types of standard 4-section headphone jacks. Such 4-section headphone can be converted into L/R headphone output and one microphone input, and can match with CRY Electroacoustic Tester for testing.

• Another set of HP, MIC ports, after docking with the equipment, can extend the service life of the instrument interface and reduce maintenance costs.