Charging, PrN 3.5mm stereo jack Saga Sound Series Home Edition Prowess cap i Blue LED~ Power button: Red LED] Wrist lanyard eyelets™ = \ Microphone Bluetooth Stereo Adapter Operation »To turn the transmitter on, press the Power button for 2-3 seconds. The blue LED will blink. + To turn the transmitter off, press the Power button for 3-4 seconds. The red LED will blink momentarily to indicate that power is off. + Plug the 3.5mm stereo jack into a 3.5mm stereo port on the audio source.