Bluetooth Receiver TaoTronics Bluetooth Dongle Wireless Stereo Audio Receiver for Headphones, Portable Speakers, Home Stereo, Car Kit, Bluetooth Transmitter & More with 3.5mm Audio Jack Output Connect: 3.5mm standard audio jack (female) Bluetooth Standard: Bluetooth V2.1, Class II Power Supply: Built-in lithium battery Supported Profile: A2DP, AVRCP Charge: USB charge