NOTICE: (Please read before ordering) （1）Number of Pairing Device: Only can pair with one phone at one time.If you want to change to another phone, just disconnect former one, and pair with new phone again. （2）Pairing Automatically: If you have paired successfully with your phone, for next time pairing, please turn on your phone's bluetooth in advance, then turn on iTape Bluetooth cassette adapter, the adapter will search your phone's Bluetooth then pair automatically.（3）What's included in the box: a Bluetooth tape and a USB charging cable.(4) Play while charging, the current of individual car models will interfere with the sound quality.（5）The product has many functions and is a bit complicated. After receiving the goods, if you really feel that the use is not smooth, you can send an email, and the seller will help you solve all problems.