... .2GB built-in memory 4.with bluetooth module Two-link Bluetooth Handsfree Car Kit Product Features: 1, tible Bluetooth Specification V2.0+EDR2, Operating Frequency ... Up to 8 Bluetooth Phone paired) 6, Integrated with echo cancellation and Noise suppressor 7, Built in speaker and microphone 8, Battery ... time: 2~3hours 11, Pieces Per Carton: 40 pcs / ctn Car kit Bluetooth