Riida 4 in 1 Double Holes Switchable CSR Bluetooth 4.1 Receiver and Transmitter Audio Hi-Fi Transceiver With High Quality CSR APT-X Decoding Music Solution , Support NFC Pair Way,Hard And Durable ABS Cover, Packed With 3.5mm Stereo Socket to 2 x RCA/Phono Plugs For PC ,Smart TV ,iPhone , iPod , iPad ,MP4 ,MP3,CD Player, Smart Phone And Any Other 3.5mm Output Music Device (Sliver