Points: 1,With the Bluetooth cassette adapter, your tape deck player instantly becomes a Bluetooth wireless cassette player. Used in your car or . music from any Bluetooth-enabled device (such as iOS, Android-based electronics, Tablet PC, etc.); 2,No complicated installation. No cable. There are no tangled or entangled tapes. Just up and it will open automatically. 3,Built-in microphone, you can safely put your hands on the steering wheel while driving, realize hands-free mobile phone operation, the phone and conveniently, and the sound is clear. 4,Install the 4.0 version of the Bluetooth chip, quickly and seamlessly paired, and automatically when booting. Blinking blue/red indicates that the pairing mode has been entered. After the pairing is successful, the blue light flashes 5 seconds, which has the advantage of distance and lower power consumption. 5,The Tape Adapter Bluetooth contains a long-lasting rechargeable battery for even the road trip. The Bluetooth feature allows you to listen to music while charging, as the charging port, power on/off switch and microphone button can be hung outside the tape deck. Suitable for: car tape player, tape recorder, etc Function: convert other MP3, MP4, CD, , computer, mobile phone and other music to the tape player through this tape converter Specifications: The plug is an ordinary 3.5 stereo plug, which is suitable for most mp3, mp4, computers and other playback devices. How to use: put the converter into the tape player like a tape, press the play key, and then insert the converter plug into the headphone of the player. The volume is high and the sound quality is good. Even if mechanism or motor of the recorder is broken, it can still play beautiful and beautiful music Parameter: Name: Bluetooth Tape Converter : ABS color: Black Bluetooth /call: supportAudio : AAC, MP3, , Stereo,Bluetooth support: 4.0 + ;Indicator light: blue, redTransfer distance: .10m;Battery capacity: 140mAh;Charging current: 80mA;Pairing current: 8mA, standby current: 2mA, playing music, dialing current is 30mA,Working voltage: 3.3-4.2VCharging input voltage 4.5V-5.3VOutput : BluetoothInstallation type: tape playerApplicable mobile phone model: universalNote: Built-in lithium battery charging IC, charging current 200Ma (different capacity battery are different). Package Contents:1 x cassette adapter Only the above package content, other products are not included.Note: Light reflection and different displays may cause the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.