Item Type: Bluetooth Adapter_x000D_Material: ABS_x000D_Bluetooth Version: 5.0_x000D_Working Voltage: 12V_x000D_Working Current: 20MA_x000D_Sampling Frequency: 44.1/48/96KHz_x000D_Frequency Response: 20Hz-20kHz_x000D_Frequency Range: 2.402-2.480GHz_x000D_Transmission Distance: Approx. 15m/49.21ft_x000D_Distortion Rate: 1%_x000D_Signal to Noise Ratio: 95dB_x000D_Product Features:_x000D_Audio HD transmission through the original car AUX signal_x000D_Bluetooth version 5.0 supports aptX, aptX HD, aptX LL_x000D_Support TWS (Receive Mode)_x000D_AC6925A stereo bluetooth chip_x000D_Integrated intelligent voice noise reduction technology to reduce echo and noise_x000D_Power Supply Mode:_x000D_1. Use the original car CD plug 12V power supply, black power supply negative pole, red is positive pole_x000D_2. If the original car is a front mounted AUX interface, you can purchase a cigarette lighter plug and use the cigarette lighter car charging interface of the armrest box to dock._x000D_Applicable Models:_x000D_Fits for Audio 20, Audio 30, Audio 50 APS _x000D_Comand APS (nur NTG2) _x000D_Fits for A-W169, B-W245 C-W203 CLK-W209 04/04~ M-W164, GL-X164, R-W251 mit Audio 20, Audio 30 Audio 50 APS,Comand APS_x000D_Replacement for Mercedes-Benz A-Class W169_x000D_Replacement for Mercedes-Benz B-Class W245_x000D_Replacement for Mercedes-Benz C-Class W203_x000D_Replacement for Mercedes-Benz CLK-Class W209_x000D_Replacement for Mercedes-Benz GL-Class X164_x000D_Replacement for Mercedes-Benz M-Class W164_x000D_Replacement for Mercedes-Benz R-Class W251_x000D_Replacement for Mercedes-Benz S-Class W221_x000D_Replacement for Mercedes-Benz SL-Class R230_x000D_Replacement for Mercedes-Benz CL-Class (2004-2006) 1Applicable Model: The bluetooth adapter is a replacement for Mercedes?Benz A?Class W169, replacement for Mercedes?Benz B?Class W245, replacement for Mercedes?Benz C?Class W203. 2Function: With this AUX IN Bluetooth adapter, you have the ability to stream music from your external device, such as your smartphone or tablet, via the car stereo. 3Highly Functional: You can turn on the hidden function of the vehicle, support online music playback, use various online APP, and the sound source is updated in time. 4Multifunctional: Support T card, U disk playing, Bluetooth wireless audio, AUX input, microphone telephone hands free calling, ensure more convenient driving. 5Easy Installation: Thanks to the simple plug and play installation, you can get started immediately via the Bluetooth connection.1 x_x000D__x000D_BluetoothAdapter 1 xMicrophone 1 x Manual