With the Bluetooth Cassette Adapter, your cassette recorder instantly becomes a wireless Bluetooth cassette recorder. For your car or home system. Stream music from any Bluetooth-enabled device such as iOS, Android-based electronics, tablets, and more. No complicated installation is required. There are no wires. No tangles or tangled tape. Just turn it on and it will turn on automatically. Thanks to the built-in microphone, you can safely keep your hands on the steering wheel while driving, activate the hands-free function of your mobile phone, and easily and conveniently answer calls and listen to the sound. Install version 5.0 Bluetooth CSR chip, fast and seamless coupling, automatic reconnection when booting. Flashing blue/red indicates pairing mode is enabled. After the coupling is successful, the blue light flashes every 5 seconds. The advantage is that the distance is longer and the power consumption is lower. The Bluetooth adapter includes a long-lasting battery for long-distance travel. With Bluetooth functionality, you can listen to music while charging, as the charging port, on/off switch, and mic button can be placed on the outside of the cassette recorder. Package includes 1 x Bluetooth Cassette Adapter