Check the listing for details. Wireless Bluetooth Car Speaker Phone Hands-free MP3 Kit Sun Visor Clip Drive. Condition: New. Listed at 19.99 USD. Features:1.Sun visor type car Bluetooth handsfree talker.2.Bluetooth answer, hang up, reject, redial phone and other functions.3.Support Bluetooth stereo music playback.4.Support mobile phone MP3/WMA/WAV format music.5.Automatic power off memory function.6.Support TF card (Not included)7.Support mobile phone navigation voice prompts.8.You can connect two mobile phones to Bluetooth pairing at the same time.9.Unique magnet type base design, suitable for multimedia Bluetooth audio in various occasions such as interior, office and outdoor.10.Product size: 13.1*5.2*2.1cm Specifications:Bluetooth version: Version 4.2+EDR, support for iPhone mobile phone SIRI function (voice dialing function)Bluetooth sound processing: with A2DP (Advance Audio Distribution Profile) functionRated working voltage: 12V~24VExtreme working voltage: 8-32VSupport music format: MP3/WMA/WAVSupport TF card capacity: 1G-32G (Not included)Working temperature: 60dBDistortion: 60dBBluetooth transmission distance: less than 10MBluetooth microphone effective distance: 0.5-2MEffective range of launch: 2M Package Included：1x Wireless In-car Speakerphone1x USB Cable1x Manual1x Lanyard