GOgroove BlueSENSE TRM 3.5mm AUX to Bluetooth Transmitter Wireless Adapter - Connect to Headphone Jack on iPod, MP3 Player, Stereo, Laptop to Pair w/ Wireless Bluetooth Headphones & Speakers WHAT IT DOES: The BlueSENSE TRM connects to media devices using the built-in 3.5mm AUX cord and wirelessly transmits their audio signal to your Bluetooth-enabled headphones and speakers SOLVES PROBLEM of wanting to listen to your iPod classic's music on your new Bluetooth headphones: connect the BlueSENSE TRM to the headphone jack of your iPod, pair with headphones, listen wirelessly LONG-LASTING RECHARGEABLE BATTERY lets you enjoy 10 hours of music streaming playback with each 2-3hr recharge (charging cable included) EASY TO PAIR with your Bluetooth earphones/speakers, simply put your listening device in "Pairing Mode" and press & hold the Power button on the TRM until the LED starts flashing red & blue TECH SPECS: 3-Year Manufacturer Warranty | Bluetooth version: 2.1 | Profile: A2DP | Operating distance: 30ft | Playback time: 10 hrs per charge | Dimensions: 1.8 x 1.3 x 0.3 in Connect the BlueSENSE TRM to the headphone jack of your MP3 player Pair the TRM with your wireless headphones Enjoy music wirelessly Computers (any PC/laptop w/headphone jack) Older MP3 players Movie projectors (using AUX output) Bluetooth Profile: A2DP Operating distance: 30ft Playback time: 10 hrs per charge