Bluetooth RCA 3.5mm USB NFC Wireless Stereo Audio Receiver

Bluetooth RCA 3.5mm USB NFC Wireless Stereo Audio Receiver1.nfc function makes connection easier,no need to search for pairing. 2.makes wire sound systems become wireless bluetooth stereo audio music speakers. 3.can be paired to any bluetooth enabled devices, such as mobile phone, laptops, speaker. 4.standard rca and 3.5 mm jack (3.5mm to 2-rca cable included), easily connected with the speaker input port. 5.5v usb output port can charge most usb-charged devices, include iphone,ipad,ipod. 6.compact and human-friendly design, convenient to carry, suitable for home use and office, etc. 7.fit for: nfc or bluetooth enabled audio device, support a2dp/avrcp/hfp protocol 8.support connecting two bluetooth device