iKross 3.5mm Wireless Bluetooth Stereo Audio Receiver w/ 2-Port USB Car Charger for Lenovo Yoga Tablet 10 HD+/ 8/10, ThinkPad 8 and more - Black Utilizes wireless function with A2DP audio streaming for enhanced audio quality and powerful sound ; Wirelessly receives music from your A2DP Bluetooth enabled smartphone, tablet or computer from up to 30 feet away ; Pairs to your device in seconds with one-touch control Plugs directly into your speaker or stereo's AUX line-in port via 3.5mm headphone plug Charges via the included USB cable in 2 -3 hours and delivers 8 hours of audio transmission per charge Dimensions: 1.97 x 1.00 x 0.43 inches ( 50 X 25.5 X 11 MM ) ; Weight: 13.8g Package Includes: 1x iKross 3.5mm Bluetooth Stereo Receiver, 1x EZOPower 2-Port USB Car Charger