扫雷怎么玩红包系统怎么做

USL IRH-281

two channel ir headphones for hi (hearing impaired)  and vi-n (visually impaired narrative) audio. two volume controls allow user to mix hi and vi-n audio. receives 2.3 mhz and 2.8 mhz.


Features

  • High quality sound ensures maximum intelligibility for the hearing and visually impaired
  • Allows the user to mix HI and VI-N audio. User hears the sound track and/or a description of the screen action
  • Receives 2.3 or 2.8 MHz
  • No RF interference problems of cross talk between auditoriums
  • Designed for low distortion and high clarity
  • Headphone provides DC and AC magnetic fields to drive automatic switching telecoils in hearing aids
  • Also includes a 3.5mm jack to drive neck loops or direct audio inputs on hearing aids and implants
  • Powered by 2 AAA Batteries
扫雷红包怎么玩的技巧 扫雷怎么玩规则 3一5元扫雷群规怎么写 1050红包扫雷群规图片 支付宝红包扫雷群