With the Bluetooth cassette adapter, your cassette deck player instantly becomes a wireless Bluetooth cassette recorder Use in your car or home o system Stream music from any Bluetooth-enabled device such as iOS, Android devices, tablets, and more No complicated installation required No wires needed Eliminates tangled tapes Simply insert the adapter and it powers on automatically Built-in microphone allows hands-free calling while driving; answer calls easily and clearly hear o through your stereo Equipped with Bluetooth 5.0 CSR chip for fast, seamless pairing and automatic reconnection upon startup Blue/red flashing light indicates pairing mode; after successful connection, blue light flashes every 5 seconds, offering extended range and lower power consumption Long-lasting battery provides reliable performance for extended trips Listen to music via Bluetooth while charging; charging port, power switch, and microphone are accessible outside the cassette deck Package includes: 1 x Bluetooth cassette adapter