Bluetooth 5.0 Car Audio Features: Built-in rechargeable battery lasts up to 6 hours,With Bluetooth cassette adapter, your cassette deck player instantly becomes a Bluetooth wireless cassette player for your car or your home. Stream music from any Bluetooth enabled device such as your phone, tablet, etc, no complicated installation, no cables, no tangled tape.

Install instruction: 1. Please hold power switch (on/off) for several seconds to put into pairing mode. 2. The Bluetooth cassette will start flashing blue/red meaning it has gone into pairing mode. 3. Now go into your Bluetooth setting on your device and to pair. 4. After the success of pairing,Blue light flashes once every 5 seconds 5. Now insert the iTape into your cassette player, push play on your cassette player. 6. Select the music on your device and enjoy wireless music."