T130-T131 Wireless Tour Guide System RETROGRESS Many tony guides sre struggling to have ta raise the-valos, pause to repeat them self, or use commence equipment just to projectile voice whet Jading a large ripoff people spittoons, fo a pansy vase of antiabortion to dist other people fn the same environment: ~--Product overview and features MIC/AUX Jack | Specification Frequency range Channel Power supply Working hours Charge Working distance Size Weight iL TTT HEE fk here 195-230MHz 99 Channels 900mAh lithi