Preset 4 channel,( 88.788.188.588.9/106.7107.1107.5107.9) max channel are up to 14 (set by manufactory)
Blink LED channel indicated
Dual power model (2 AAA Battery or external DC power supply), ultra low power consumption
Little current recharge circuit build in that user can use rechargeable battery
Stable frequency transmitter, Hi-Fi quality that can compatible with the the local FM radio
Precision and beautify appearance that make you have an extra experience in using it
Audio frequency echo: 50~15000HZ
Operation range: over 30 feet
Channel select: preset 4 channels, the max channel are 14, you can adjust the switch beside the unit to set your favourite channel freely.
Four red LED blink at about 2HZ that indicate the current channel you set, also it make the unit more beautiful.
Dual power supply model: (2 AAA bat or external DC are available), rechargeable battery are recommended because of the recharge circuits are built in, that can charge the battery in little current while plug the external DC.