Phone AC Charger -Bluetooth 4.2 Car Audio Adapter Highlights Generic Brand Bluetooth 4.2 Car Audio Adapter Description: This extremely portable and lightweight wireless audio transmitter and receiver is an ideal wireless audio solution for a wide variety of situations and uses. Transmitter mode: Wirelessly streams audio from your non-Bluetooth TV, stereo, or CD player to your Bluetooth headphones or speakers Receiver mode: Wirelessly streams audio from your Bluetooth-enabled phone, tablet, or computer on your stereo, speakers or headphones Switch between transmitter and receiver modes with just one touch. Connect effortlessly using advanced Bluetooth technology and a 3.5mm audio cable (included). Super Portable Audio Streaming Power The KN319 measures just 44 mm (1.73 in) and weighs only 18 g (0.63 oz), yet boasts powerful wireless audio streaming capabilities. Slip this transmitter and receiver into your backpack or laptop bag and take it anywhere effortlessly. Wide Compatibility: With the included 3.5mm and 3.5mm to 2RCA cables, this receiver-transmitter adapter can be widely used on your computer, laptop, home stereo, headphone, smartphone, MP3 player, CD player, etc. Specification: Bluetooth: BT4.2 Support: A2DP, AVRCP Transmission distance: 10m/33ft (open space) Continuous use time: 6 hours (receiver mode) / 5 hours (transmitter mode) Battery type: Li-Polymer ( 200mAh) Charge: Micro USB 5V Output: 3.5mm stereo interface Input: 3.5mm stereo interface Power supply: 3.7V Color: black Material: plastic Size: 44x44x12mm/1.73x1.73x0.87inch Package includes: Transmitter adapter/ 1 piece Bluetooth 4.2 audio receiver 1 piece micro USB power cable 1 piece RCA cable 1 piece 3.5mm aux cable 1 piece user manual