Multiple connectionsConnect with two mobile phones at the same time. Easy to switch between your favorite music and an incoming call. Never miss a call again. Long Battery LifeRechargeable lithium-ion battery provides up to 22 hours of talk time and up to an incredible 1000 hours on standby and it takes less than 2 hours to fully charge. Make the bluetooth receiver for car great for long road trips. 3W speakerWith built-in 4 ohm 3 watt multimedia speaker and microphone, DSP based noise reduction and echo processing technology, giving you a clearer call quality and more beautiful music. Easy to useSimply place the kit on your sun visor in your car and connect your phone bluetooth with it.Please don't worry about complicated installation processes with this Bluetooth handsfree car kit.