... TTS function, DSP Technology * Phone book Steering Wheel Bluetooth FM Car KitDiscription:Steering Wheel Bluetooth FM Car Kit, wireless headset, phonebook ... technology for noise and echo cancellation .Features:1. Steering Wheel Bluetooth car kit with DSP(Digital Sound Process) ... Italian Gift Box Packaging: Accessories: Manual, Car Charger, USB Cable, Key Shenzhen Koogogo Science & Technology Co., Ltd ...