2 in1 Audio Transmitter Wireless Bluetooth Receiver 3.5MM RCA Music HIFI Adapter Description: Two in one Bluetooth adapter with Bluetooth receive and Bluetooth transmit. Bluetooth 4.0 technology with A2DP and AVRCP protocols for better audio quality, strong compatibility, low latency, and faster pairing. Compatible with Android/iOS smartphones and tablets and all Bluetooth audio equipment Int transforms traditional car and Bluetooth-enabled stereo sound systems. Paired with Bluetooth-enabled audio sources to enjoy music wirelessly. Connect audio devices (such as MP3, MP4, TV, PC, Phone, etc) via 3.5mm audio cable or RCA. Bluetooth transmitter wirelessly streams audio to Bluetooth speakers or headphones from your TV or more media devices like portable CD players that don't have built-in Bluetooth support. Compatible with Windows phones, Android phones/tablets, Kindles, laptops, PCs, and sound systems with 3.5mm port. Red and Blue led indicator flashing to remind you the machine condition. Built-in 600mAh Battery ensures up to 8 hours working time, you can enjoy wireless free all day long. Simple use, no need to download any APP. Can use the product normally while charging. Feature: Type: B6 2-in-1 Bluetooth Transmitter Reciever Color: Black