The transmitter will be charged to the USB port or permanently connected. It runs 5 hours without electricity, then it needs to be recharged.
The 3.5mm jack cable comes in the output of the transmitter. The cable must be "rolled out" and according to exactly place else rushes / whimpers the receiver (radio).
The only one fixed frequency is 88.1 MHz ** **. On the may be adjusted to your chosen recipients. (And check before buying whether this can ever set or if it is already occupied.)
If the device directly (
Is it further away, in my case, about 5m, it is already over. The sound is quieter and it roars. If no music is playing, you can hear a buzzing noise from the receiver.
The size indicated on the package and here at Amazon range of 30m is definitely not to be reached in closed rooms. (At least with my copy.)
Note: In another review on this device someone writes from a 1.5 meter cable. Since I have probably pulled the short: only 50 centimeters ... :-( - By this of course could also hang low quality.