EDUP 4.0 Hi-Fi Bluetooth Stereo Receiver and Audio Transmitter 2 in 1,Wireless Audio Adapter Play while Charging forTablets,MP3 Player,Headphones,Speaker,TV ,PC, Motorcycle,Car Stereo Add Wireless Function to Your TV, PC, MP4 Player, DVD Player to Enjoy Wireless Music and Sounds or Turn Any Speakers, Headphones, Stereo System to Bluetooth Enabled Simple one-Button Switch to Shift Between Transmitter(TX) and Receiver(RX) Mode. Control Streaming From Your Audio Sources Within 30 Feet Simple Plug and Play Via A/V, RCA, and 3.5mm jack Input,No App Download Needed.Automatically Connect Portable Laconic 0.9 ounce to Carry with You Anywhere You Go Travel In The World. Backs up 5-Year Limited Warranty. Certified by RoHS, CE, FCC.