Most Advanced Bluetooth CSR chip with Low Latency - Maceton WM4U applies the latest and most advanced Bluetooth chip CRS 4.1 which truly supports APT-X format audio signal transfer and ensures there is no acoustic performance compromise during the wireless transfer at all.</br>Excellent Sound Quality - Built in separated high performance (Texas Instrument) amplifier to guarantee CD grade sound performance and without altering the source audio signal.</br>Bass Boost EQ Feature - Built in optional bass boost EQ feature to let people have an option to add more bass when they enjoy their music or compensate the bass for their own headphones or car audio or speakers.</br>Built-in High sensitivity Microphone for Phone Call - This wireless receiver also has microphone built inside for people to talk over the phones with its environment noise cancelling technology and high sensitivity this wireless audio adapter can pick up your voice clearly even in a wide range.</br>No Hiss and Buzzing Noise - Adapted the most advanced electronic components and PCB design and layout our Bluetooth receiver does not generate any hiss or electronic interference noise all you can hear is purified music or clear phone call voice which makes a huge difference from the other low quality receivers out there in the market places.</br></br>Product Description</br></br>Maceton Bluetooth audio adapter is a powerful tool to open a wireless world for your music adventure with this single set up you can easily stream your favorite music from your iPhone iPad imac or other tablets and Android smart phones to enjoy wireless and high quality music. Different from the other cheap Bluetooth receivers and Bluetooth Transmitter in the existing market places Maceton Bluetooth Receiver applies the most advanced CSR 4.1 (8645) Bluetooth chipset as well as the high performance Texas Instrument Independent amplifier chip which can absolutely guarantee there is no audio distortion at all no matter in the transfer process or amplifying process?? that means whatever the source music from your phones or tablets or laptops or computers?? it can be 100% reproduced without altering the sound quality with this Bluetooth music receiver and amplifier much more than that?? this wireless spea