iKross Wireless Bluetooth Music Streaming 3.5mm AUX Audio Stereo Receiver with A2DP Technology For Samsung Galaxy S5 / Galaxy Note 3 / Smartphone Tablet and more Compatible with Apple iPhone 4, 4S, 3G, 3G S; Samsung Epic 4G, Galaxy S 4G /Vibrant Plus 4G, Hercules SGH-T989 Utilizes Bluetooth v2.1 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 7 hours of audio transmission per charge Dimensions: 1.8 x 1.3 x 0.3 inches ; Weight: 14g