DSD TECH Black Solar Powered LCD Display Bluetooth Car Kit Handsfree Call Device Support PhoneBook and TTS Function Hands free Bluetooth kit for cars solar powered, with built-in speaker, name and number caller ID and Text-to-Speech. Not only safer, it will also save you from being fined by the police for using the phone while driving. TTS Function(Text to speecher),Build-in speaker and microphone On top of that,this set also displays the caller name and phone number for your comfort. Power Source: Solar Panel, Car Charger or Battery,Built-in DSP noise reduction and echo cancellation Easy to use:Bluetooth pairing password: 0000 (if needed),Pairing name: G3 (or CAR BT)