Alritz Bluetooth Car Kit, $17 Supports Bluetooth profiles: HFP, HSP, A2DP, and AVRCP.
Fast and stable Bluetooth pairing within 33ft range. Outstanding audio and mic quality.
Automatically power on and connect to the last paired device when start the car.
Support up to 5 phone connection, and connect to the last one priority paired phone
Bluetooth specification 4.1 and supports hands-free profile
3 Button design: MFB (Multi-Function Button), Previous Song Button, Next Song Button
LED Indicator Status: Blue and Red
Built-in noise reduction microphone
High-Performance cigarette lighter car charger with Dual USB Port
Ground Loop Noise Isolator included for Noise Elimination
BK01 Car Kit powers on and off along with the ignition of the car.
Press & hold the MFB for 5 seconds to turn BK01 car kit on or off.
BK01 Car Kit recognizes the previous paired device and will re-connect it when it's powered on.
Same as the first one. Auto reconnect when power on. no Apt-X, no Ground Loop Noise Isolator.
Same as BK01 but add Apt-X and three USB ports
iClever Himbox HB01 Bluetooth 4.0 Hands-Free Car Kit $18 <= I like this
Support AVRCP technology for easy-to-use music controls; Music player controls - Play, Pause, Previous song, Next song; Talking controls: Answer and reject calls, private call is available
The latest Bluetooth 4.0 (fully backward compatible) for full-speed transmission and low power consumption
Forbes recommend:Hands-Free Phone Calls And Crystal Clear Music At A Price That's Music To Your Ears
Multi-Point Access; Built-in microphone and built-in high performance stereo audio codec; Echo and noise cancelling technology supply a more clear call quality
Hands-Free car kit designed for answering and receiving calls with any Bluetooth smartphone - iPhone, Android, Blackberry etc
Seamlessly stream music from any Bluetooth (A2DP) capable device; supports aptX for CD quality audio
Built-in microphone and easy to use music controls
Provides audio through your 3.5mm input in Car Stereo when playing music and answering phone calls
Requires 3.5mm audio input in the car stereo
Newest Design: MiCar multi-functional Bluetooth car kit is the one and only car kit connects charging (lightning cable ensures complete charge for iPhone 5 and above) with listening to music or making hands-free phone call(via Bluetooth connection and aux input port) on amazon; convenient to use and store
Bluetooth V4.2 + EDR: high-speed transmission and wider compatibility(up to 33ft), wirelessly connects your phone to the car, making hands-free phone calls and music streaming possible; compatible for iPhone and almost all the Bluetooth enabled smartphones
Easy to Use: for music controls, play, pause, previous and next song, volume adjusting; for call controls (with built-in mic), answer and reject calls, call back, pause and retrieve call
Convenient to Mount: peel the film of the 3M adhesive off, and adheres the disk to any part near the centre panel, and then magnetically attach the controller to the disk
Intelligent noise reduction technology, providing better phone call and music experience; 18-month warranty and friendly customer service & life-time technique support
Universal Wireless 4.0 wireless technology with backward compatibility & A2DP profile for Smartpohne, Android, Apple iPhone 6 Plus, Google Nexus, Samsung Galaxy, Tablets, other media players
Features echo and noise reduction technology for continuous non-stop crystal clear call conversation & dynamic music streaming wirelessly. No batteries required
Comes with a FREE Triple Ultra High-Performance USB Charger, built-in mic and 3.5mm AUX cable. Stand ready to charge additional devices at the same time
On board multi-function, previous, and next buttons for intuitive control command with easy access & simple operation
SoundBot wearable clip mount for flexible mobilization and optimal call quality placement - even for the passenger
反正苹果爱疯也不支持Apt-X所以 iClever Himbox首选，其次 SoundBot SB360或Kinivo BTC450.