A2DP Bluetooth Wireless Car Handsfree Stereo Audio Music Receiver Adapter 3.5mm AUX AUTO with USB Charger and Cigarette LighterItem Type:Bluetooth Car KitBrand Name:IdreamItem Size:7.1 x 3.6 x 2.2cmModel Name:Bluetooth 3.0 A2DPSpecial Features:Audio Stereo Music Receiver AdapterMaterial Type:PlasticItem Weight:48 gis_customized:YesFeatures:- 100% Brand New and High Quality- With compact portable design- Easily paired， no pairing code- Be attached with a standard USB charging port and a 3.5mm audio cable - Receive audio signal by wireless Bluetooth or transfer the audio signal by the included 3.5mm audio cable- Can easily and simply to upgrade the car stereo audio- Support universal control function (such as play/pause， previous song， next song， etc)- Support Bluetooth hands-free function， you cannot miss any call when listen to music. - Support all car stereo with AUX INSpecification:- Color: Black- Size: 7.1 x 3.6 x 2.2cm- Package weight: 1.7oz/48g- The minimum length of the 3.5mm audio cable (flexible): 25cm - Charging function: standard USB port- Bluetooth Version: Bluetooth3.0 - Compatibility: ALL Bluetooth versions- Applications: car stereo with AUX IN- Bluetooth hands-free function- Support A2DP， AVRCP- Output: 5V/2.1A- SNR :> 93dB- THD<0.05%- Frequency response: 20Hz-20KHz±0.3dB- Output level: 1Vrms How to use it:Initial Setup - Insert the power plug into your car’s 12V power outlet (also known as cigarette lighter)- Insert the audio cable into your car’s AUX port.- Turn on your car stereo and set the input source to AUX Pair with your phone- Long press button until the left and right buttons starts flashing - Open your phones’ Bluetooth function and search for this item - After searched， select the BC10 AUDIO from the list of devices and pair it with your phone - When paired successfully， the indicator light will turn blue- Some phone may ask if you want to connect. Please select “Yes” - Pair a different phone， only one can be paired to the BC10 AUDIO at any time. To pair a different phone: Repeat the previous steps of pairing previousDaily use: to connect to BC10 AUDIO:- If you are listening to music by a Bluetooth headset， turn off the handset so that your phone is free to connect the BC10 AUDIO- Turn on your car stereo and set the input source to AUX - Make sure that there is power to the BC10 AUDIO which will attempt to connect with the phone (be last connected) again.- When successfully connected， the indicator on the three keys turn blue - If you are listening to music， the audio will be transferred to your car stereo What is included:1 x HIFI car Bluetooth music adapter1 x User Manual