Product Description:1. This portable, lightweight wireless audio transmitter and receiver is the ideal wireless audio solution for every situation and application.2. Transmitter mode: wirelessly transfer audio from non-Bluetooth TV, home stereo system or CD player to Bluetooth headset or speaker.3. Receiver mode: wirelessly transfer audio from Bluetooth-enabled mobile phones, tablets or computers to wired stereo speakers or headphones.4. Switch between transmitter and receiver modes with a single press of a button. Easily connect by using advanced Bluetooth technology and 3.5mm audio cable (included).5. Ultra-portable audio streaming power supply. The KN321 is only 44 mm (1.73 inches) and the weight is only 18 grams (0.63 inches), but has a powerful wireless.
eBay