Works with iPod 5, 5C, 5S, 6, 6 Plus, Samsung, HTC, Nokia, and other phones or tablets with Bluetooth functionality. Bluetooth 4.0 version, backward compatible with Bluetooth 2.0, 3.0, and 4.0. Supports commonly used audio formats including MP3, WMA, WAV, and FLAC for high-quality audio decoding. Supports DSD high-capacity transmission. Specifications: Material: ABS Plastic Cable Length: approx. 17.5cm / 6.9in Black: GND- Red: 12V ACC+ Connector: 12 Pin Bluetooth Module Connector: 12V Fitment: Compatible with Audio 20, Audio 30, Audio 50 APS Compatible with Comand APS (NUR NTG2) Compatible with A-W169, B-W245, C-W203, CLK-W209 (04/04~), M-W164, GL-X164, R-W251 with Audio 20, Audio 30, Audio 50 APS, Comand APS Fit for A-Klasse W169 Fit for B-Klasse W245 Fit for C-Klasse W203 Fit for CLK-Klasse W209 Fit for GL-Klasse X164 Fit for M-Klasse W164 Fit for R-Klasse W251 Fit for S-Klasse W221 Fit for SL-Klasse R230 Fit for CL-Klasse (2004–2006) Fit for Benz W169, W245, W203, W209, W164 Package List: 1 x Audio Cable Notes: 1. Please allow 0–1 inch error due to manual measurement. 2. Please confirm fitment before ordering to ensure compatibility.