Supports high sensitive FM stereo radio, automatic search, locks, and stores channel Implements incept of single electrical source with wireless of TV, computer, VCD, DVD, and CD Cast off fetter and restrict by cable of earphone Watch the ball game in the late night and can chat in computer Can enjoy the music by wireless from CD when cooking There are special warship function with this earphone without wire also, and process listen on local Main use in ender and children care Diameter: 0.8mm Weight: 30g Characteristics: Makeup with two parts: One FM emitter with dimensional sound FM radio with dimensional sound Emitter has also listen in function on local Frequency modulation earphones with wireless: 76 to 108MHz Distance for dispatcher with wireless is 15 to 50 meters Can also be received through block off wall, door, window, and also bear to incept channel by many machine with one emitter Incept system: 100% CMOS, high sensitivity S/N ratio: 60dB Super anti-jamming and continuity sound PLL for locking channel Stable frequency Equipment for eliminating noise Problem of the easy lose channel and the big noise is controlled effectively in the congeneric product Have lithium batteries Also supports power supply by sun (optional) Protect circumstance and save on energy