Feature:1. Switching between transmitter and receiver modes with the flicking of a switch. Easily connect using advanced Bluetooth-compatible technology and 3.5mm audio cable (included). 2. Ultra-Portable Audio Streaming Power Supply: The KN321 is only 44 mm (1.73 inches) wide and only 18 grams (0.63 oz) in weight, yet packs powerful wireless audio streaming capabilities. Slide this transmitter and receiver into your backpack or laptop bag and carry it with you effortlessly. 3. Wide Compatibility: With the included 3.5mm cable and 3.5mm to 2RCA cable, this receiver transmitter adapter can be widely used in your computer, laptop, home stereo, headphones, smartphones, Mp3 players, CD players, etc.. Name:&nbsp;Bluetooth-compatible&nbsp;Adapter Model: KN321; Technology: Bluetooth-compatible 5.0, A2DP, AVRCP (Receiver mode only); Operating range: up to 10m / 33ft (without any blocking objects); Charging time: 2 hours; Continuous use time: 4 hours (receiver mode) / 3 hours (transmitter mode); Battery type: lithium polymer (200mAh); Size: 44 x 44 x 12mm; Weight: 74g; Packing list: 1 x Bluetooth-compatible Audio Transmitter/Receiver Adapter 1 x Micro USB Power Cable 1 x RCA Cable 1 x 3.5mm Auxiliary Cable 1 x User Manual 1 x Packing Box Note: 1. Due to manual measurement, please allow 1-3cm error. Make sure you don&#39;t mind before bidding. 2. Due to the difference of different monitors, the picture may not reflect the actual color of the product. Thanks. <div class="panel panel-info"><div class="panel-heading" style="font-weight:bold;">IMPORT: THIS ITEM IS SHIPPED FROM CHINA. PLEASE EXPECT UP TO 25 DAYS FOR DELIVERY</div></div>

Kn321 Audio Transmitter Receiver Bluetooth 5.0 2-in-1 Dual Channel True Stereo Audio Adapter Black