SUPPORT Siri Assistant: it SUPPORT siri assistant to help you make calls, send messages or use GPS.Make your driving safer. Stereo Sound: 360 surround HD sound without any noticeable distortion even at maximum volume crash the dancing, meeting your requirement. Multiple Connections:Connect with two mobile phones at the same time. Easy to switch between your favorite music and an incoming call. Never miss a call again. Easy to Use:connect your phone bluetooth with it.Please don't worry about complicated installation processes with this Bluetooth handsfree car kit. High Volume and HD-Voice: Bluetooth V5 andEDR, designed for great sound with ,noise cancellation technology and stereo speaker. 550 mAh battery, 500 hours long standby. The continuous talk time is about 10 hours Specification: V5.0andEDR Automatic switch function, save effort and worry Siri voice control 550 mAh battery, 500 hours long standby The continuous talk t Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.