High-performance Bluetooth chip V5.4 for stable output performance Voice broadcast feature ensures you never miss any calls Automatic switch machine function for convenience 1000mAh battery supports long standby time Continuous talk time up to 10 hours Charging time: approximately 2 hours Talk time: up to 30 hours Standby time: up to 500 hours Built-in digital power amplifier enhances volume and sound quality Advanced multi-point connection supports two mobile phones connected simultaneously Built-in DSP noise suppression and echo cancellation (CVC 8.0 dual noise reduction technology) Bluetooth transmission distance: up to 10 meters Speaker: 4 2W, delivers high-definition stereo sound Model Name: Bluetooth Mp3 Speaker Special Features: Sun visor Bluetooth hands-free car kit Item Type: Bluetooth Car Kit Item: Bluetooth Music Receiver Compatible with Bluetooth 4.2 audio devices Sun visor clip design for easy installation Auto Stereo Mp3 Player functionality Wireless sun visor clip audio adapter Supports Siri activation for iOS devices including iPhone and iPad Equipped with 2W HiFi stereo speaker for loud and clear audio Color: Black Material: ABS Package Contents: 1 x Bluetooth Speakerphone 1 x Metal Clip 1 x USB Charging Cable Note: Light reflection and differences in display screens may cause slight variations in color between the image and the actual product. Measurement may vary by +/- 1-3 cm.