MPOW BLUETOOTH 4.1 RECEIVER:Built with Bluetooth 4.1/HFP/HSP/A2DP/AVRCP to smart your life that you can enjoy music and hands-free calling from your smartphone in premium-quality sound.Up to 33ft connection range guarantees low signal delay.DOUBLE LINKS & WIDE COMPATIBILITY: Mpow Portable Bluetooth Receiver can connect two Bluetooth devices at the same time.And it also could compatible with most smartphones and Bluetooth electronics, ideal for home or vehicle audio systems and wired headphones (connected with Mpow via 3.5mm audio cable/adapter then pair your phone with Mpow to achieve listening music or answering call).EXTRA-LONG BUILT-IN BATTERY: Provides up to 10 HOURS playing time and only need 1.5 HOURS to charge it fully.NOTE:1.This Mpow doesn’t turn on automatically,please long press the “Multifunction Button” about 3 seconds, when it turned on the blue light will flash,then connect it with your Bluetooth devices;2.Please be sure the charging input voltage to the Mpow do not over 5V and do not use fast charger for the consideration of safety and the serve life of product;3.If you want to connect to your TV by pairing the device with your headset, please search Mpow transmitter or receiver/transmitter.Color: BlackPremium Sound Quality:Mpow Bluetooth Music Streambot uses updated wireless technology to adapt audio systems with Bluetooth capability. This small, compact device enables devices and stereo audio systems to be wirelessly controlled by Bluetooth 4.1. It features with A2DP technology to stream high quality audio. Just enjoy a crystal clear sound wirelessly.Turn Non-Bluetooth Headphones to Bluetooth-Enabled:Turn your non-Bluetooth headphones to Bluetooth-enabled,just connect the Mpow Bluetooth adapter with your non-Bluetooth headphones through the 3.5mm audio cable,then to enjoy your lovely music from your phone with the headphones.Play All Day: Mpow Bluetooth 4.1 Adapter with A2DP technology can not only a crystal clear sound, but also ensure low battery consumption, thus allowing you to enjoy up to 10 hours non-stop music! And it only needs 1.5 hours to charge fully.Wide Compatibility:Works with for iPhone, for iPod, for iPad, Android Smartphones,Tablets, and other Devices, easily plugs into any powered Car & Home Stereo Sound System and Speakers via the 3.5 mm audio cable/adapter.Easy to Control: Press the button on the face can answer/end/reject/redial a call and play/pause the music.