Features:1. The latest version of the Bluetooth-compatible chip, V4.2 + EDR, the output is stability.2. Voice broadcast all the way.3. With function of automatic power-on and shut down, which can save worry and labor.4. Siri voice control for Apple.5. 550 mAh battery, long standby time for 1000 hours.6. The duration of the call is about 10 hours.7. Built-in digital amplifier for greatly improved volume and sound effect.Description:Handsfree Car Speaker Kit for Cell Phone-Advanced multi-point connection, which can support two mobile phones simultaneously online.Built-in DSP noise suppression and echo cancellation function.(CVC8.0 dual noise reduction technology).Specifications:Car charger line: 50cmBluetooth-compatible transmission distance: 10MSpeaker: 42W, high-definition stereo soundSize: about 100*60*21mm/3.94*2.36*0.83inColor: BlackCharging time: about 2 hoursBattery capacity: 550mAHCall time: about 10 hoursStandby time: up to 500 hoursBluetooth-compatible version: V4.2+EDRTransmission distance: 10MPackage Included:1 x Car charger1 x USB cable1 x Metal clip1 x Manual1 x Bluetooth-compatible handsfree kitNotes:1. Due to the difference between different monitors, the picture may not reflect the actual color of the item. We guarantee the style is the same as shown in the pictures.2. Please allow slight dimension difference due to different manual measurement.