Product details of Wireless Bluetooth 3.5MM AUX Audio Receiver Adapter (Black) Description: This music receiver(hands-free) is designed to receive music from mobile phones or transmitters that feature Bluetooth wireless technology.The music receiver can be used with almost any audio receiver with an audio input jack,including automobiles.Listen to music from your smart phone or mp3 player on your existing home or car audio system.To enjoy car music,call solutions,the use of smart phones to make calls and listen to music through the car stereo.The product is embedded echo cancellation microphone.Using only one button,you can easily switch between music and phone. Compatible: All bluetooth enabled devices: Smartphone and laptops like iPhone, iPad, iPad Mini, iPod, Samsung, Sony, HTC, Blackberry and docks & speakers like Bose, Roberts, JBL, Samsung, Pure, Sony, Phillips, B&W, Klipsch, etc. Such as: iPhone 3G, 3GS, 4, 4s, 5, 5c and 5s, 6, 6 Plus iPad 1, 2, 3, 4, Air, Mini1 and 2 Laptop and PC with bluetooth 2.1 and above Samsung, HTC, etc, all other Android 2.1 (and above) devices with Bluetooth Smart-phone with Bluetooth 2.1 & above Specification: Bluetooth: v2.1+EDR, Class 2 Bluetooth hands-free Bluetooth stereo audio profile:A2DP Transmission Distance: up to 10m Operation time: up to 8 hours Frequency: 2.4GHz 3.5mm stereo audio output Color: Black Net Weight:19g Dimension: 55x25x10mm Features: High-performance,support A2DP V1.2 stereo profile. Simple operation,connect speakers and receiver by 3.5mm audio connector. Widely use with home AV systems, home stereos, headphones, automobile or motorcycle speakers and more. Powered by built-in rechargeable li-ion battery via micro USB port, long working time and low consumption. (Micro USB cable included) Sleep mode for energy saving Make your Car AUX audio sytem and Home Theater AV HiFi Surrounding system become bluetooth compatible, get music from Bluetooth enable device such as iPhone, iPad, iPod, HTC Samsung Smart cellphone or Bluetooth PC, Laptop. Simply connect this bluetooth audio receiver to your line-in or auxiliary input on your speakers, pair it to your Bluetooth enabled device, and enjoy the wireless music revolution. Simple operation,3.5mm Male to Male Audio Connector or 3.5mm Male to Male Audio Cable to connect the speakers and the receiver. Whether you want Bluetooth convenience in your car, through your home-theater system, in your kitchen, bathroom, or bedroom,etc. High-performance AMP chip,can push the headset,and high-power speaker,applicable to all types of speakers Powered by built-in rechargeable li-ion battery via mini USB port, long working time and low consumption. (Mini USB cable included) Powerful bluetooth IC,More stronger compatibility You can play music through your car stereo and answer phone call via the built-in Mic.