LDream Bluetooth Receiver Car Kit with 5V Dual USB Charger Unique one-button design: all functions are set on this button, such as iOS Siri, music player controls - play, pause, previous song, next song, answer and reject calls, private call is available. Dual USB car charger ports: max 5V/3A, capable of charging two devices simultaneously,allow a high speed charge while enjoying music. iOS Siri function: for a better iOS experience, add the Siri function to this bluetooth receiver,you can make phone calls and send massages by voice control. Just long press the button to activate Siri, more easy to operate. The latest bluetooth 4.0 technology: easy paired, up to 30 feets, suports for full-speed transmission and low power consumption. Fit for any bluetooth smartphone, - iPhone, Samsung, Blackberry, Android, etc.. Warranty policy: 18 months free reliable warranty.