Features: 1.Extensive Usage: Replacement for Alpine KCE?237B, replacement for Alpine 2009?up new CD Player and so on. 2.Sound Transmission: The voice of for QQ music, for KuGou music, film, map navigation can be transmitted to the car, but only the sound without image. 3.Match to Use: Can be used with for JVC, for Sony radios (not included) if only there is socket for the connector and with AUX function. 4.Bluetooth Version: Bluetooth 5.0 version, and compatible with 2.0 3.0 4.0 other versions of Bluetooth at the same time. 5.Features: Support the common MP3 format audio, support the WMA WAV FLAC, and other audio format decoding, support DSD large capacity transmission. Specification: Item Type: AUX IN Bluetooth Module Material: ABS Fitment: Replacement for Alpine KCE-237B Replacement for Alpine 2009-up new CD Player (Please set AUX site after install the cable) Application: For connecting a portable MP3 player or similar to CDE101E 102E 105E ,CDA-105Ri, CDE-104BTi, CDE-103BT, CDE-102Ri, CDE-101R/RM and CDE-W203Ri and so on. For Full-Speed devices from 2009 f.e. CDE-101R / RM, CDE-102Ri, CDE-103BT, CDE-104BTi, CDE-111R / RM, CDE-112Ri, CDE-113BT, CDE-114BTi, CDE-W203Ri, CDA-105Ri, CDA-105,CDA-105E,CDA-117Ri, IDA-X301, IDA-X303, IDA-X305, IDA-X311, IDA-X313, IXA-W404R, IXA-W407BT, TME-S370 and also many devices from 2007 in connection with the Bluetooth model KCE-400BT Applicable Audio Devices: For IOS, for Android Smartphone, for Android Tablet PC (Please make sure there is bluetooth function in your phone or pad)