Features: 1.Wireless Connection: This car speakerphone with EDR provides strong and stable wireless connection for reliable hands free calls. 2.Noise Reduction: This car wireless speaker is designed with DSP intelligent noise reduction, effectively distinguish nonhuman noise, and automatically reverse noise, providing clearer calls. 3.Multi Function: This car handsfree speakerphone supports answer, hanging up and refusal with one button. And also supports streaming music, GPS app audio, voice control, language calls and more. Supports simultaneous connection of two mobile phones. 4.Easy Installation: This wireless car speakerphone can be fixed on the sun visor with the back clip, easy to pair with smart phone, tablet and other devices. 5.Long Standby Time: This speakerphone for car features up tp 1,000 hours standby time and about 20 hours talk time. specification:Item Type: Car Speakerphone Material: ABS Wireless s: V5.0+EDR Wireless Distance: 10 Meters / 10.9yd Supported Mode: HSP.HFP 1.5 Configuration File Working Frequency Band: 2.4GHz to 2.48GHz Battery: 600mAh Lithium Battery (Battery Included) Normal Charging Time: Maximum 3 Hours (Approximately) Talk Time: The Maximum is About 20 Hours Standby Time: The Maximum is About 1000 Hours PackageList:1 x Car Speakerphone 1 x Charging Cable 1 x Car Charger